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