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