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