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