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