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