Q: What are the prime factors of the number 57,188,670?

 A: 2, 3, 5, 7, 11, 19, 1303

Why are those the prime factors of the number 57,188,670?

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 57,188,670

57,188,670
Factor Arrows
228,594,335
Factor Arrows
39,531,445
Factor Arrows
51,906,289
Factor Arrows
7272,327
Factor Arrows
1124,757
Factor Arrows
191,303

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, 7, 11, 19, 1303

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 7 x 11 x 19 x 1,303 = 57,188,670

This can also be written as 21 x 31 x 51 x 71 x 111 x 191 x 1,3031 = 57,188,670

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


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