Q: What are the prime factors of the number 46,891,808?

 A: 2, 71, 20639

Why are those the prime factors of the number 46,891,808?

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 46,891,808

46,891,808
Factor Arrows
223,445,904
Factor Arrows
211,722,952
Factor Arrows
25,861,476
Factor Arrows
22,930,738
Factor Arrows
21,465,369
Factor Arrows
7120,639

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, 71, 20639

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 71 x 20,639 = 46,891,808

This can also be written as 25 x 711 x 20,6391 = 46,891,808

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


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