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