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