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