List all the factors (divisors) of a number, and check whether it’s prime.
The method behind this calculator
Enter a whole number to see all its factors, the count, the sum and whether it’s prime. For shared factors of two numbers, use the GCF & LCM calculator.
The default scenario, worked through
The calculator opens with a whole number of 60. On those figures the number of factors is 12. Underneath, Sum of factors comes out at 168 and Prime? at No. Change any field and every figure updates as you type.
Using the calculator
- Enter your figures in the fields provided.
- The result updates as you type.
- Review the breakdown below the main number.
How the number is calculated
factors are all whole numbers dividing n evenly
Common questions
What is a common factor?
A number that divides two or more numbers evenly. The largest is the greatest common factor.
How do I find shared factors?
List each number’s factors and compare, or use the GCF & LCM calculator directly.