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