Q: What are the prime factors of the number 76,631,328?

 A: 2, 3, 266081

Why are those the prime factors of the number 76,631,328?

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 76,631,328

76,631,328
Factor Arrows
238,315,664
Factor Arrows
219,157,832
Factor Arrows
29,578,916
Factor Arrows
24,789,458
Factor Arrows
22,394,729
Factor Arrows
3798,243
Factor Arrows
3266,081

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, 266081

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 266,081 = 76,631,328

This can also be written as 25 x 32 x 266,0811 = 76,631,328

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


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