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