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