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