Q: What are the prime factors of the number 78,525,914?

 A: 2, 31, 37, 34231

Why are those the prime factors of the number 78,525,914?

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 78,525,914

78,525,914
Factor Arrows
239,262,957
Factor Arrows
311,266,547
Factor Arrows
3734,231

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, 31, 37, 34231

We can check our work by multiplying all of the prime factors together: 2 x 31 x 37 x 34,231 = 78,525,914

This can also be written as 21 x 311 x 371 x 34,2311 = 78,525,914

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


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