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