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