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