Q: What are the prime factors of the number 30,984,688?

 A: 2, 7, 37, 7477

Why are those the prime factors of the number 30,984,688?

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 30,984,688

30,984,688
Factor Arrows
215,492,344
Factor Arrows
27,746,172
Factor Arrows
23,873,086
Factor Arrows
21,936,543
Factor Arrows
7276,649
Factor Arrows
377,477

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, 37, 7477

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 37 x 7,477 = 30,984,688

This can also be written as 24 x 71 x 371 x 7,4771 = 30,984,688

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


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