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