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