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