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