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