Q: What are the prime factors of the number 40,855,662?

 A: 2, 3, 19, 67, 1783

Why are those the prime factors of the number 40,855,662?

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 40,855,662

40,855,662
Factor Arrows
220,427,831
Factor Arrows
36,809,277
Factor Arrows
32,269,759
Factor Arrows
19119,461
Factor Arrows
671,783

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, 19, 67, 1783

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 19 x 67 x 1,783 = 40,855,662

This can also be written as 21 x 32 x 191 x 671 x 1,7831 = 40,855,662

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


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