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