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