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