Q: What are the prime factors of the number 40,027,770?

 A: 2, 3, 5, 49417

Why are those the prime factors of the number 40,027,770?

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 40,027,770

40,027,770
Factor Arrows
220,013,885
Factor Arrows
36,671,295
Factor Arrows
32,223,765
Factor Arrows
3741,255
Factor Arrows
3247,085
Factor Arrows
549,417

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, 5, 49417

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 49,417 = 40,027,770

This can also be written as 21 x 34 x 51 x 49,4171 = 40,027,770

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


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