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