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