Q: What are the prime factors of the number 401,500,463?

 A: 7, 13, 630299

Why are those the prime factors of the number 401,500,463?

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 401,500,463

401,500,463
Factor Arrows
757,357,209
Factor Arrows
78,193,887
Factor Arrows
13630,299

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:

7, 13, 630299

We can check our work by multiplying all of the prime factors together: 7 x 7 x 13 x 630,299 = 401,500,463

This can also be written as 72 x 131 x 630,2991 = 401,500,463

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


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