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