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