Q: What are the prime factors of the number 40,131,568?

 A: 2, 2508223

Why are those the prime factors of the number 40,131,568?

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 40,131,568

40,131,568
Factor Arrows
220,065,784
Factor Arrows
210,032,892
Factor Arrows
25,016,446
Factor Arrows
22,508,223

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, 2508223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2,508,223 = 40,131,568

This can also be written as 24 x 2,508,2231 = 40,131,568

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


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