Factor Calculator
Use our factor calculator to find all factors of a number instantly. Includes a factor calculator step by step guide, factor calculator steps, how to factor on calculator, and examples like how many factors does 2 have.
What is a Factor?
A factor of a number is any whole number that divides it evenly (with no remainder). For example, 1, 2, 3, and 6 are factors of 6 because each divides 6 exactly.
A factor calculator lists every factor pair and can also show the full set of factors. This is useful for simplifying fractions, finding common factors, and checking if a number is prime or composite.
If you’re searching for factor on calculator or how to factor calculator, this tool gives the factors directly and can explain the steps to find them.
How Factors Work
A number d is a factor of n if n ÷ d is an integer (no remainder). Factors come in pairs.
Equivalently, n mod d = 0.
If a·b = n, then a and b are a factor pair of n.
If d divides n, then n/d is also a factor. This finds all factors efficiently.
Pairs: (1,12), (2,6), (3,4).
How to Use the Factor Calculator
- 1
Enter a whole number n.
- 2
The calculator finds factor pairs by testing divisors (often up to √n).
- 3
It lists all factors in ascending order.
- 4
Use the result to simplify, find common factors, or check if the number is prime.
Frequently Asked Questions
It lists all whole-number factors of a given number, often including factor pairs.
Try divisors from 1 up to √n. If d divides n evenly, record d and n/d as factors. Repeat until you reach √n.
2 has two factors: 1 and 2.
Many calculators don’t have a dedicated “factor” key, but some have a factor or prime-factor function in a math menu. A factor calculator online is often the fastest option.
If your calculator has a factor/prime-factor tool, enter the number and select the factor function. Otherwise, use division to test small divisors or use an online factor calculator.
Yes—the page includes the logic (test divisors up to √n) and returns the full factor list.
That refers to factoring algebraic expressions (polynomials) by grouping terms, not factoring a single integer into its numeric factors.