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