Q: What are the prime factors of the number 46,163,616?

 A: 2, 3, 19, 25309

Why are those the prime factors of the number 46,163,616?

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 46,163,616

46,163,616
Factor Arrows
223,081,808
Factor Arrows
211,540,904
Factor Arrows
25,770,452
Factor Arrows
22,885,226
Factor Arrows
21,442,613
Factor Arrows
3480,871
Factor Arrows
1925,309

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, 19, 25309

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 19 x 25,309 = 46,163,616

This can also be written as 25 x 31 x 191 x 25,3091 = 46,163,616

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


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