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