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