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