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