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