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