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