Q: What are the prime factors of the number 401,406,441?

 A: 3, 41, 59, 55313

Why are those the prime factors of the number 401,406,441?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 401,406,441

401,406,441
Factor Arrows
3133,802,147
Factor Arrows
413,263,467
Factor Arrows
5955,313

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 41, 59, 55313

We can check our work by multiplying all of the prime factors together: 3 x 41 x 59 x 55,313 = 401,406,441

This can also be written as 31 x 411 x 591 x 55,3131 = 401,406,441

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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