Q: What are the prime factors of the number 40,804,868?

 A: 2, 13, 211, 3719

Why are those the prime factors of the number 40,804,868?

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 40,804,868

40,804,868
Factor Arrows
220,402,434
Factor Arrows
210,201,217
Factor Arrows
13784,709
Factor Arrows
2113,719

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, 13, 211, 3719

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 211 x 3,719 = 40,804,868

This can also be written as 22 x 131 x 2111 x 3,7191 = 40,804,868

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


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