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