Q: What are the prime factors of the number 10,431,018?

 A: 2, 3, 13, 127

Why are those the prime factors of the number 10,431,018?

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 10,431,018

10,431,018
Factor Arrows
25,215,509
Factor Arrows
31,738,503
Factor Arrows
3579,501
Factor Arrows
3193,167
Factor Arrows
364,389
Factor Arrows
321,463
Factor Arrows
131,651
Factor Arrows
13127

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, 13, 127

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 13 x 13 x 127 = 10,431,018

This can also be written as 21 x 35 x 132 x 1271 = 10,431,018

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


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