Q: What are the prime factors of the number 79,411,808?

 A: 2, 7, 53, 6689

Why are those the prime factors of the number 79,411,808?

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 79,411,808

79,411,808
Factor Arrows
239,705,904
Factor Arrows
219,852,952
Factor Arrows
29,926,476
Factor Arrows
24,963,238
Factor Arrows
22,481,619
Factor Arrows
7354,517
Factor Arrows
536,689

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, 53, 6689

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 53 x 6,689 = 79,411,808

This can also be written as 25 x 71 x 531 x 6,6891 = 79,411,808

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


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