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