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