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