Calculate Prime Factors

Calculate Prime Factors helps you break down any number into its smallest building blocks the prime numbers that multiply together to give the original value. Just type in a number greater than 1, and you’ll instantly see its prime factorization. The result is shown line-by-line for easy readability.

It’s useful for students, developers, and anyone needing factorization on the fly. Whether you’re checking homework, building a math app, or exploring number theory, this tool keeps it simple and clean. And with one click, you can export the list or copy it directly.

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Supported file types: .txt, .csv, .json, .log
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How to Use:

  1. Type any whole number greater than 1 into the input box.
  2. Click “Calculate” or start typing – the prime factors will appear instantly.
  3. Each factor is listed on a separate line in the output box.
  4. Click “Copy Output” to copy the factor list to your clipboard.
  5. Click “Export to File” to download the result as a .txt file.
  6. Click “Clear All” to reset the tool and enter a new number.

Example:

Input:

60

Output:

2  
2
3
5

The prime factors of 60 are shown clearly, including repeated factors.

Common Use Cases:

Calculate Prime Factors is perfect for simplifying fractions, exploring number breakdowns, or working on divisibility problems. It’s also useful for teaching prime factor trees, solving LCM/GCF problems, or prepping inputs for algorithm testing. Whether you’re studying or coding, it’s a quick way to see the exact prime components of any number.

Useful Tools & Suggestions:

After breaking a number into prime factors, Number Primality Test is a quick way to double-check if each piece really holds up. And if you’re tracking lots of values, Group Number Digits can make the results easier to read.