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