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