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Students determine the prime factorization for a set of values ranging from two-digit composites to primes, including 66, 80, 58, 64, 91, 72, 95, 79, and 34. An answer key section provides the corresponding decompositions, such as 66 = 2×3×11 and 80 = 2×2×2×2×5, supporting self-check and mastery of prime factor skills.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/finding-prime-factors-answer-key-478862/478862/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/finding-prime-factors-answer-key-478862/478862.png","ImageObject",300,407,{"name":92,"@type":93},"Mimi","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What does the worksheet ask students to do?","Question",{"text":112,"@type":113},"Find the prime factors (prime factorization) for each listed number.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Does the document include an answer key?",{"text":117,"@type":113},"Yes. It provides the prime factor results for each problem so students can check their work.",{"name":119,"@type":110,"acceptedAnswer":120},"How are prime factors presented in the answers?",{"text":121,"@type":113},"Prime factors are shown as a multiplication of prime numbers (e.g., 66 = 2×3×11).","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},478862,1792856383,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":39},2336477974920,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Finding Prime Factors  \nName:  \n\n| Find the prime factors for each number.\u003Cbr>1) 66 =   |  | 1. | Answers |\n| --- | --- | --- | --- |\n| 2) | 19 =   | 2. |  |\n| 3) | 37 =   | 3. |  |\n|  |  |  |  |\n| 4) | 80 =   | 4. |  |\n| 5) | 58 =   | 5. |  |\n| 6) | 31 = |  |  |\n| 7) | 10 = | 6. |  |\n|  |  |  |  |\n| 8) | 64 = | 7. |  |\n|  |  |  |  |\n| 9) | 59 =   | 8. |  |\n|  |  |  |  |\n| 10) | 25 = | 9. |  |\n|  |  |  |  |\n| 11) | 68 = | 10. |  |\n|  |  |  |  |\n| 12) | 52 = | 11. |  |\n|  |  |  |  |\n| 13) | 91 = | 12. |  |\n|  |  |  |  |\n| 14) | 9 = | 13. |  |\n|  |  |  |  |\n| 15) | 72 =   | 14. |  |\n|  |  |  |  |\n| 16) | 17 =   | 15. |  |\n|  |  |  |  |\n| 17) | 27 = | 16. |  |\n|  |  |  |  |\n| 18) | 95 = | 17. |  |\n|  |  |  |  |\n| 19) | 79 = | 18. |  |\n|  |  |  |  |\n| 20) | 34 =   | 19.\u003Cbr>20. |  |\n|  |  |  |  |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n6  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nFinding Prime Factors  \nName: Answer Key  \n\n| Find the prime factors for each number.\u003Cbr>1) 66 = 2×3×11  |  | Answers\u003Cbr>1.  2×3×11  |\n| --- | --- | --- |\n| 2) | 19 = 19  | 2.  19  |\n| 3) | 37 = 37  | 3.  37  |\n| 4) | 80 = 2×2×2×2×5  | 4.  2×2×2×2×5  |\n| 5) | 58 = 2×29  | 5. 2×29 |\n| 6) | 31 = 31  | 6. 31 |\n| 7) | 10 = 2×5  | 7. 2×5 |\n| 8) | 64 = 2×2×2×2×2×2 |  |\n| 9) | 59 = 59  | 8.  2×2×2×2×2×2 \u003Cbr>9. 59 |\n| 10) | 25 = 5×5  | 10. 5×5 |\n| 11) | 68 = 2×2×17  | 11. 2×2×17 |\n| 12) | 52 = 2×2×13  | 12. 2×2×13 |\n| 13) | 91 = 7×13 |  |\n| 14) | 9 = 3×3 | 13.  7×13  |\n| 15) | 72 = 2×2×2×3×3 | 14.  3×3  |\n| 16) | 17 = 17 | 15.  2×2×2×3×3  |\n| 17) | 27 = 3×3×3 | 16.  17  |\n| 18) | 95 = 5×19 | 17.  3×3×3  |\n| 19) | 79 = 79 | 18.  5×19  |\n| 20) | 34 = 2×17  | 19.  79 \u003Cbr>20. 2×17 |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n6  \n1-10 11-20  \n95  \n45  \n90  \n40  \n85  \n35  \n80  \n30  \n75  \n25  \n70  \n20  \n65  \n15  \n60  \n10  \n55  \n5  \n50  \n0  \nFinding Prime Factors  \nName:  \n\n| Find the prime factors for each number.\u003Cbr>1) 66 =   |  |  |  |  |  |  |  | Answers\u003Cbr>1.   |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 2) 19 =   |  |  |  |  |  |  |  | 2.   |  |  |  |  |  |\n| 3) 37 =   |  |  |  |  |  |  |  | 3.  \u003Cbr>4.   |  |  |  |  |  |\n| 4) 80 =   |  |  |  |  |  |  |  | 5.   |  |  |  |  |  |\n| 5) 58 =   |  |  |  |  |  |  |  | 6.  \u003Cbr>7.   |  |  |  |  |  |\n| 6) 31 =   |  |  |  |  |  |  |  | 8.   |  |  |  |  |  |\n| 7) 10 =   |  |  |  |  |  |  |  | 9.  \u003Cbr>10.   |  |  |  |  |  |\n| 8) 64 =   |  |  |  |  |  |  |  | 11.   |  |  |  |  |  |\n| 9) 59 =   |  |  |  |  |  |  |  | 12.  \u003Cbr>13.   |  |  |  |  |  |\n| 10) 25 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 11) 68 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 12) 52 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 13) 91 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| \u003Cbr>Math | Modified\u003Cbr>[www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 6 | 1-10\u003Cbr>11-13 | 92 | 85 | 77 | 69 | 62 | 54 | 46 | 38 | 31 | 23 |\n|  |  |  |  | 15 | 8 | 0 |  |  |  |  |  |  |  |","cbCaiteR0zHUvtrF","https://ap.wps.com/l/cbCaiteR0zHUvtrF","pdf",44117,"English","# Find the prime factors\n## Numbers 1-20","[{\"question\":\"What does the worksheet ask students to do?\",\"answer\":\"Find the prime factors (prime factorization) for each listed number.\"},{\"question\":\"Does the document include an answer key?\",\"answer\":\"Yes. It provides the prime factor results for each problem so students can check their work.\"},{\"question\":\"How are prime factors presented in the answers?\",\"answer\":\"Prime factors are shown as a multiplication of prime numbers (e.g., 66 = 2×3×11).\"}]","Finding Prime Factors - Answer Key | PDF",1790792303]