Q: What are the prime factors of the number 40,237,535?

 A: 5, 13, 19, 31, 1051

Why are those the prime factors of the number 40,237,535?

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 40,237,535

40,237,535
Factor Arrows
58,047,507
Factor Arrows
13619,039
Factor Arrows
1932,581
Factor Arrows
311,051

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, 13, 19, 31, 1051

We can check our work by multiplying all of the prime factors together: 5 x 13 x 19 x 31 x 1,051 = 40,237,535

This can also be written as 51 x 131 x 191 x 311 x 1,0511 = 40,237,535

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


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