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