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