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