Q: What are the prime factors of the number 555,771,727?

 A: 7, 53, 701, 2137

Why are those the prime factors of the number 555,771,727?

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 555,771,727

555,771,727
Factor Arrows
779,395,961
Factor Arrows
531,498,037
Factor Arrows
7012,137

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:

7, 53, 701, 2137

We can check our work by multiplying all of the prime factors together: 7 x 53 x 701 x 2,137 = 555,771,727

This can also be written as 71 x 531 x 7011 x 2,1371 = 555,771,727

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


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