Q: What are the prime factors of the number 47,767,808?

 A: 2, 11, 16963

Why are those the prime factors of the number 47,767,808?

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 47,767,808

47,767,808
Factor Arrows
223,883,904
Factor Arrows
211,941,952
Factor Arrows
25,970,976
Factor Arrows
22,985,488
Factor Arrows
21,492,744
Factor Arrows
2746,372
Factor Arrows
2373,186
Factor Arrows
2186,593
Factor Arrows
1116,963

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, 11, 16963

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 11 x 16,963 = 47,767,808

This can also be written as 28 x 111 x 16,9631 = 47,767,808

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


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