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