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