Q: What are the prime factors of the number 403,023,125?

 A: 5, 644837

Why are those the prime factors of the number 403,023,125?

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 403,023,125

403,023,125
Factor Arrows
580,604,625
Factor Arrows
516,120,925
Factor Arrows
53,224,185
Factor Arrows
5644,837

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:

5, 644837

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 5 x 644,837 = 403,023,125

This can also be written as 54 x 644,8371 = 403,023,125

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


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