Q: What are the prime factors of the number 403,111,026?

 A: 2, 3, 269, 27751

Why are those the prime factors of the number 403,111,026?

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 403,111,026

403,111,026
Factor Arrows
2201,555,513
Factor Arrows
367,185,171
Factor Arrows
322,395,057
Factor Arrows
37,465,019
Factor Arrows
26927,751

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, 3, 269, 27751

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 269 x 27,751 = 403,111,026

This can also be written as 21 x 33 x 2691 x 27,7511 = 403,111,026

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


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