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