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