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