Q: What are the prime factors of the number 101,147,808?

 A: 2, 3, 79, 13337

Why are those the prime factors of the number 101,147,808?

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 101,147,808

101,147,808
Factor Arrows
250,573,904
Factor Arrows
225,286,952
Factor Arrows
212,643,476
Factor Arrows
26,321,738
Factor Arrows
23,160,869
Factor Arrows
31,053,623
Factor Arrows
7913,337

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, 79, 13337

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 79 x 13,337 = 101,147,808

This can also be written as 25 x 31 x 791 x 13,3371 = 101,147,808

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


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