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