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