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