Q: What are the prime factors of the number 405,565,232?

 A: 2, 29, 874063

Why are those the prime factors of the number 405,565,232?

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 405,565,232

405,565,232
Factor Arrows
2202,782,616
Factor Arrows
2101,391,308
Factor Arrows
250,695,654
Factor Arrows
225,347,827
Factor Arrows
29874,063

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, 29, 874063

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 874,063 = 405,565,232

This can also be written as 24 x 291 x 874,0631 = 405,565,232

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


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