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