Factor Calculator
Calculate factor instantly in your browser.
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What this tool does
Calculate factor instantly in your browser. Every factor is listed in increasing order; a prime number has exactly two factors — 1 and itself.
How to use the Factor Calculator
- Enter or select whole number.
- Read the calculated result; change any measurement to compare alternatives.
Formula
A factor divides the number exactly with no remainder; listing every divisor up to √n finds each factor pair (d, n/d) at once.
- x
- Whole number
Every factor is listed in increasing order; a prime number has exactly two factors — 1 and itself.
Worked example
For factor calculator, the following measurements illustrate the exact method: Whole number: 360.
Inputs
- Whole number360
Result
- All factors1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360
- Number of factors24
- Factor pairs1 × 360; 2 × 180; 3 × 120; 4 × 90; 5 × 72; 6 × 60; 8 × 45; 9 × 40; 10 × 36; 12 × 30; 15 × 24; 18 × 20
- Sum of factors1,170
Results explained
- All factors
- All factors from the formula above. Every factor is listed in increasing order; a prime number has exactly two factors — 1 and itself.
- Number of factors
- Number of factors from the formula above. Every factor is listed in increasing order; a prime number has exactly two factors — 1 and itself.
- Factor pairs
- Factor pairs from the formula above. Every factor is listed in increasing order; a prime number has exactly two factors — 1 and itself.
- Sum of factors
- Sum of factors from the formula above. Every factor is listed in increasing order; a prime number has exactly two factors — 1 and itself.
Frequently asked questions
A factor divides the number exactly with no remainder; listing every divisor up to √n finds each factor pair (d, n/d) at once.
Every factor is listed in increasing order; a prime number has exactly two factors — 1 and itself.
Where mathematically meaningful, yes. Fields specify permitted ranges and undefined operations display an error.
Exact integer calculations use safe integers; decimal calculations use browser floating point, so small rounding differences can occur.
All values remain in your browser and are never uploaded.