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