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