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