Q: What are the prime factors of the number 240,431,415?

 A: 3, 5, 7, 19, 6343

Why are those the prime factors of the number 240,431,415?

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 240,431,415

240,431,415
Factor Arrows
380,143,805
Factor Arrows
516,028,761
Factor Arrows
72,289,823
Factor Arrows
19120,517
Factor Arrows
196,343

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, 5, 7, 19, 6343

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 19 x 19 x 6,343 = 240,431,415

This can also be written as 31 x 51 x 71 x 192 x 6,3431 = 240,431,415

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


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