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