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