Q: What are the prime factors of the number 577,306,072?

 A: 2, 7, 23, 439, 1021

Why are those the prime factors of the number 577,306,072?

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 577,306,072

577,306,072
Factor Arrows
2288,653,036
Factor Arrows
2144,326,518
Factor Arrows
272,163,259
Factor Arrows
710,309,037
Factor Arrows
23448,219
Factor Arrows
4391,021

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, 23, 439, 1021

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 23 x 439 x 1,021 = 577,306,072

This can also be written as 23 x 71 x 231 x 4391 x 1,0211 = 577,306,072

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


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