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