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