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