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