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