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