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