Q: What are the prime factors of the number 40,618,457?

 A: 11, 17, 83, 2617

Why are those the prime factors of the number 40,618,457?

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 40,618,457

40,618,457
Factor Arrows
113,692,587
Factor Arrows
17217,211
Factor Arrows
832,617

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:

11, 17, 83, 2617

We can check our work by multiplying all of the prime factors together: 11 x 17 x 83 x 2,617 = 40,618,457

This can also be written as 111 x 171 x 831 x 2,6171 = 40,618,457

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


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