Q: What are the prime factors of the number 782,532,016?

 A: 2, 7, 577, 12109

Why are those the prime factors of the number 782,532,016?

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 782,532,016

782,532,016
Factor Arrows
2391,266,008
Factor Arrows
2195,633,004
Factor Arrows
297,816,502
Factor Arrows
248,908,251
Factor Arrows
76,986,893
Factor Arrows
57712,109

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, 577, 12109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 577 x 12,109 = 782,532,016

This can also be written as 24 x 71 x 5771 x 12,1091 = 782,532,016

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


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