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Includes a filled answer key showing each number decomposed into prime factors using multiplication notation (e.g., 48 = 2×2×2×2×3, 33 = 3×11). Designed for practice and self-checking within CommonCoreSheets math sets.",{"@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-answers-key/478863/",{"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-answers-key/478863.png","ImageObject",300,407,{"name":92,"@type":93},"Mimi","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-09-30",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What does this worksheet ask you to do?","Question",{"text":112,"@type":113},"Find the prime factors for each listed number and write them in multiplication form.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Does the document include an answer key?",{"text":117,"@type":113},"Yes. It provides the prime-factor decomposition for each item numbered 1 through 20.",{"name":119,"@type":110,"acceptedAnswer":120},"Are prime numbers shown as themselves in the answers?",{"text":121,"@type":113},"Yes. For example, 13, 37, and 79 appear in the answer key as the number itself, since they have no additional prime factors.","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},478863,1792833761,{"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":29,"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) 48 =   |  | 1. | Answers |\n| --- | --- | --- | --- |\n| 2) | 33 =   | 2. |  |\n| 3) | 13 =   | 3. |  |\n|  |  |  |  |\n| 4) | 21 =   | 4. |  |\n| 5) | 45 =   | 5. |  |\n| 6) | 79 = |  |  |\n| 7) | 65 = | 6. |  |\n|  |  |  |  |\n| 8) | 74 = | 7. |  |\n|  |  |  |  |\n| 9) | 26 =   | 8. |  |\n|  |  |  |  |\n| 10) | 10 = | 9. |  |\n|  |  |  |  |\n| 11) | 89 = | 10. |  |\n|  |  |  |  |\n| 12) | 15 = | 11. |  |\n|  |  |  |  |\n| 13) | 87 = | 12. |  |\n|  |  |  |  |\n| 14) | 44 = | 13. |  |\n|  |  |  |  |\n| 15) | 82 =   | 14. |  |\n|  |  |  |  |\n| 16) | 37 =   | 15. |  |\n|  |  |  |  |\n| 17) | 91 = | 16. |  |\n|  |  |  |  |\n| 18) | 50 = | 17. |  |\n|  |  |  |  |\n| 19) | 9 = | 18. |  |\n|  |  |  |  |\n| 20) | 59 =   | 19.\u003Cbr>20. |  |\n|  |  |  |  |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n7  \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) 48 = 2×2×2×2×3  |  | Answers\u003Cbr>1.  2×2×2×2×3  |\n| --- | --- | --- |\n| 2) | 33 = 3×11  | 2.  3×11  |\n| 3) | 13 = 13  | 3. 13 |\n| 4) | 21 = 3×7  | 4. 3×7 |\n| 5) | 45 = 3×3×5  | 5. 3×3×5 |\n| 6) | 79 = 79  | 6. 79 |\n| 7) | 65 = 5×13  | 7. 5×13 |\n| 8) | 74 = 2×37  | 8. 2×37 |\n| 9) | 26 = 2×13  | 9. 2×13 |\n| 10) | 10 = 2×5  | 10. 2×5 |\n| 11) | 89 = 89  | 11. 89 |\n| 12) | 15 = 3×5  | 12. 3×5 |\n| 13) | 87 = 3×29 |  |\n| 14) | 44 = 2×2×11 | 13.  3×29  |\n| 15) | 82 = 2×41 | 14.  2×2×11  |\n| 16) | 37 = 37 | 15.  2×41  |\n| 17) | 91 = 7×13 | 16.  37  |\n| 18) | 50 = 2×5×5 | 17.  7×13  |\n| 19) | 9 = 3×3 | 18.  2×5×5  |\n| 20) | 59 = 59  | 19.  3×3  20. 59 |\n\nMath  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n7  \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) 48 =   |  |  |  |  |  |  |  | Answers\u003Cbr>1.   |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 2) 33 =   |  |  |  |  |  |  |  | 2.   |  |  |  |  |  |\n| 3) 13 =   |  |  |  |  |  |  |  | 3.  \u003Cbr>4.   |  |  |  |  |  |\n| 4) 21 =   |  |  |  |  |  |  |  | 5.   |  |  |  |  |  |\n| 5) 45 =   |  |  |  |  |  |  |  | 6.  \u003Cbr>7.   |  |  |  |  |  |\n| 6) 79 =   |  |  |  |  |  |  |  | 8.   |  |  |  |  |  |\n| 7) 65 =   |  |  |  |  |  |  |  | 9.  \u003Cbr>10.   |  |  |  |  |  |\n| 8) 74 =   |  |  |  |  |  |  |  | 11.   |  |  |  |  |  |\n| 9) 26 =   |  |  |  |  |  |  |  | 12.  \u003Cbr>13.   |  |  |  |  |  |\n| 10) 10 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 11) 89 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 12) 15 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 13) 87 =   |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| \u003Cbr>Math | Modified\u003Cbr>[www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 7 | 1-10\u003Cbr>11-13 | 92 | 85 | 77 | 69 | 62 | 54 | 46 | 38 | 31 | 23 |\n|  |  |  |  | 15 | 8 | 0 |  |  |  |  |  |  |  |","cbCaiun3dyR4gnjG","https://ap.wps.com/l/cbCaiun3dyR4gnjG","pdf",44068,"English","# Finding Prime Factors\n## Prime factor answers (1-20)","[{\"question\":\"What does this worksheet ask you to do?\",\"answer\":\"Find the prime factors for each listed number and write them in multiplication form.\"},{\"question\":\"Does the document include an answer key?\",\"answer\":\"Yes. It provides the prime-factor decomposition for each item numbered 1 through 20.\"},{\"question\":\"Are prime numbers shown as themselves in the answers?\",\"answer\":\"Yes. For example, 13, 37, and 79 appear in the answer key as the number itself, since they have no additional prime factors.\"}]","Finding Prime Factors - Answers Key | PDF",1790792303]