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