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