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