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