Q: What are the prime factors of the number 57,305,066?

 A: 2, 7, 13, 461, 683

Why are those the prime factors of the number 57,305,066?

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 57,305,066

57,305,066
Factor Arrows
228,652,533
Factor Arrows
74,093,219
Factor Arrows
13314,863
Factor Arrows
461683

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, 13, 461, 683

We can check our work by multiplying all of the prime factors together: 2 x 7 x 13 x 461 x 683 = 57,305,066

This can also be written as 21 x 71 x 131 x 4611 x 6831 = 57,305,066

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


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