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