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