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