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