Factor Calculator
Find all factors and prime factorization of any positive integer.
About Factors
A factor (or divisor) of a number is a whole number that divides it evenly (with no remainder). Every number can be uniquely expressed as a product of prime numbers — this is called prime factorization. For example, 12 = 2² × 3, and the full set of factors is {1, 2, 3, 4, 6, 12}.
Factor a Number
Enter Number
Results
All Factors
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Prime Factorization
2² × 3 × 5
Number of Factors
12
Sum of Factors
168