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