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