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