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