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