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