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