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