Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {29, 7, 13, 19, 12, 21} → ______
- Prime numbers in {15, 19, 27, 8, 17, 11} → ______
- Prime numbers in {25, 5, 12, 7, 8, 27} → ______
- Prime numbers in {8, 17, 21, 15, 11, 13} → ______
- Prime numbers in {9, 12, 29, 3, 5, 27} → ______
- Prime numbers in {2, 9, 3, 12, 5, 27} → ______
- Prime numbers in {29, 9, 11, 3, 7, 27} → ______
- Prime numbers in {13, 17, 5, 8, 12, 15} → ______
- Prime numbers in {25, 23, 13, 5, 17, 7} → ______
- Prime numbers in {17, 9, 29, 11, 12, 7} → ______
- Prime numbers in {9, 12, 27, 13, 5, 23} → ______
- Prime numbers in {27, 2, 21, 17, 25, 3} → ______
- Prime numbers in {11, 27, 5, 12, 9, 2} → ______
- Prime numbers in {9, 12, 7, 11, 3, 23} → ______
- Prime numbers in {17, 7, 15, 25, 29, 27} → ______
- Prime numbers in {23, 9, 5, 17, 2, 13} → ______
- Prime numbers in {17, 9, 11, 3, 8, 7} → ______
- Prime numbers in {2, 19, 15, 13, 12, 11} → ______
- Prime numbers in {8, 13, 2, 3, 5, 12} → ______
- Prime numbers in {3, 27, 15, 9, 12, 11} → ______