Q: What are the prime factors of the number 46,385,384?

 A: 2, 17, 19, 29, 619

Why are those the prime factors of the number 46,385,384?

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 46,385,384

46,385,384
Factor Arrows
223,192,692
Factor Arrows
211,596,346
Factor Arrows
25,798,173
Factor Arrows
17341,069
Factor Arrows
1917,951
Factor Arrows
29619

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, 17, 19, 29, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 19 x 29 x 619 = 46,385,384

This can also be written as 23 x 171 x 191 x 291 x 6191 = 46,385,384

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


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