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