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