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