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