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