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