Q: What are the prime factors of the number 705,416,032?

 A: 2, 43, 512657

Why are those the prime factors of the number 705,416,032?

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 705,416,032

705,416,032
Factor Arrows
2352,708,016
Factor Arrows
2176,354,008
Factor Arrows
288,177,004
Factor Arrows
244,088,502
Factor Arrows
222,044,251
Factor Arrows
43512,657

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, 43, 512657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 43 x 512,657 = 705,416,032

This can also be written as 25 x 431 x 512,6571 = 705,416,032

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


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