Q: What are the prime factors of the number 400,715,704?

 A: 2, 17, 2946439

Why are those the prime factors of the number 400,715,704?

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 400,715,704

400,715,704
Factor Arrows
2200,357,852
Factor Arrows
2100,178,926
Factor Arrows
250,089,463
Factor Arrows
172,946,439

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:

2, 17, 2946439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 2,946,439 = 400,715,704

This can also be written as 23 x 171 x 2,946,4391 = 400,715,704

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


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