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