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