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