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