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