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