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