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