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