Q: What are the prime factors of the number 746,723,136?

 A: 2, 3, 3889183

Why are those the prime factors of the number 746,723,136?

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 746,723,136

746,723,136
Factor Arrows
2373,361,568
Factor Arrows
2186,680,784
Factor Arrows
293,340,392
Factor Arrows
246,670,196
Factor Arrows
223,335,098
Factor Arrows
211,667,549
Factor Arrows
33,889,183

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, 3889183

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 3 x 3,889,183 = 746,723,136

This can also be written as 26 x 31 x 3,889,1831 = 746,723,136

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


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