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