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