Q: What are the prime factors of the number 40,010,404?

 A: 2, 7, 251, 5693

Why are those the prime factors of the number 40,010,404?

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 40,010,404

40,010,404
Factor Arrows
220,005,202
Factor Arrows
210,002,601
Factor Arrows
71,428,943
Factor Arrows
2515,693

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, 7, 251, 5693

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 251 x 5,693 = 40,010,404

This can also be written as 22 x 71 x 2511 x 5,6931 = 40,010,404

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


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