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