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