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