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