Q: What are the prime factors of the number 716,302,464?

 A: 2, 3, 1865371

Why are those the prime factors of the number 716,302,464?

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 716,302,464

716,302,464
Factor Arrows
2358,151,232
Factor Arrows
2179,075,616
Factor Arrows
289,537,808
Factor Arrows
244,768,904
Factor Arrows
222,384,452
Factor Arrows
211,192,226
Factor Arrows
25,596,113
Factor Arrows
31,865,371

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, 1865371

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 1,865,371 = 716,302,464

This can also be written as 27 x 31 x 1,865,3711 = 716,302,464

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


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