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