Name:_____________ Prime Factorization Worksheet © mathkinz
Date:______________
Score:______________
Find prime factors of following numbers
| Q.1) 8 = __________ | Q.2) 23 = __________ |
| Q.3) 15 = __________ | Q.4) 72 = __________ |
| Q.5) 19 = __________ | Q.6) 64 = __________ |
| Q.7) 39 = __________ | Q.8) 11 = __________ |
| Q.9) 42 = __________ | Q.10) 14 = __________ |
| Q.1) Is 3 a prime factor of 26 __________ | Q.2) Is 7 a prime factor of 126 __________ |
| Q.3) Is 9 a prime factor of 343 __________ | Q.4) Is 31 a prime factor of 124 __________ |
| Q.5) Is 3 a prime number __________ | Q.6) Is 21 a composite number __________ |
| Q.7) Is 3 a composite number __________ | Q.8) Is 9 a composite number __________ |