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