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