How it works
A factor of n is a positive integer d such that n is evenly divisible by d. Prime factorization multiplies primes to recover n; factor trees peel smallest primes step by step.
d | n ⇔ n % d = 0 · n = p₁ × p₂ × …
When to use
Use this tool when you need to: try 120 for the classic tree (2×2×2×3×5), or 30 for factors 1, 2, 3, 5, 6, 10, 15, 30. Related: LCM and GCF.
How to use this tool
- Enter your values in the fields above.
- Review the formula and any mode options for your problem.
- Read the result and the step-by-step solution.
Try 120 for the classic tree (2×2×2×3×5), or 30 for factors 1, 2, 3, 5, 6, 10, 15, 30. Related: LCM and GCF.
Frequently asked questions
- What is the Factor Calculator?
- A factor of n is a positive integer d such that n is evenly divisible by d. Prime factorization multiplies primes to recover n; factor trees peel smallest primes step by step.
- How do I use the Factor Calculator?
- Enter the required values, then calculate. The Factor Calculator shows results, formulas, and step-by-step work when available. No account is required.
- What formula does the Factor Calculator use?
- d | n ⇔ n % d = 0 · n = p₁ × p₂ × …
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