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