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