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