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