Q: What are the prime factors of the number 577,422,432?

 A: 2, 3, 74257

Why are those the prime factors of the number 577,422,432?

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 577,422,432

577,422,432
Factor Arrows
2288,711,216
Factor Arrows
2144,355,608
Factor Arrows
272,177,804
Factor Arrows
236,088,902
Factor Arrows
218,044,451
Factor Arrows
36,014,817
Factor Arrows
32,004,939
Factor Arrows
3668,313
Factor Arrows
3222,771
Factor Arrows
374,257

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, 74257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 74,257 = 577,422,432

This can also be written as 25 x 35 x 74,2571 = 577,422,432

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


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