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