Q: What are the prime factors of the number 370,577,408?

 A: 2, 90473

Why are those the prime factors of the number 370,577,408?

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 370,577,408

370,577,408
Factor Arrows
2185,288,704
Factor Arrows
292,644,352
Factor Arrows
246,322,176
Factor Arrows
223,161,088
Factor Arrows
211,580,544
Factor Arrows
25,790,272
Factor Arrows
22,895,136
Factor Arrows
21,447,568
Factor Arrows
2723,784
Factor Arrows
2361,892
Factor Arrows
2180,946
Factor Arrows
290,473

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, 90473

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 2 x 2 x 2 x 2 x 90,473 = 370,577,408

This can also be written as 212 x 90,4731 = 370,577,408

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


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