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