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