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