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 {15, 9, 7, 5, 3, 27} → ______
- Prime numbers in {2, 23, 8, 5, 7, 25} → ______
- Prime numbers in {2, 12, 21, 17, 11, 7} → ______
- Prime numbers in {3, 13, 7, 15, 29, 27} → ______
- Prime numbers in {27, 15, 2, 3, 12, 19} → ______
- Prime numbers in {23, 19, 25, 8, 15, 12} → ______
- Prime numbers in {8, 25, 19, 5, 27, 3} → ______
- Prime numbers in {21, 8, 27, 23, 15, 2} → ______
- Prime numbers in {13, 5, 17, 15, 23, 3} → ______
- Prime numbers in {7, 8, 9, 17, 25, 3} → ______
- Prime numbers in {27, 21, 13, 7, 17, 15} → ______
- Prime numbers in {13, 17, 11, 29, 12, 15} → ______
- Prime numbers in {23, 17, 19, 5, 12, 9} → ______
- Prime numbers in {5, 15, 23, 13, 7, 12} → ______
- Prime numbers in {23, 21, 15, 29, 9, 2} → ______
- Prime numbers in {5, 9, 15, 13, 27, 25} → ______
- Prime numbers in {17, 5, 23, 25, 12, 7} → ______
- Prime numbers in {9, 27, 29, 21, 19, 3} → ______
- Prime numbers in {2, 3, 17, 12, 25, 13} → ______
- Prime numbers in {5, 29, 27, 15, 25, 23} → ______