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