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