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