Q: What are the prime factors of the number 417,550,440?

 A: 2, 3, 5, 139, 25033

Why are those the prime factors of the number 417,550,440?

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 417,550,440

417,550,440
Factor Arrows
2208,775,220
Factor Arrows
2104,387,610
Factor Arrows
252,193,805
Factor Arrows
317,397,935
Factor Arrows
53,479,587
Factor Arrows
13925,033

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, 5, 139, 25033

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 139 x 25,033 = 417,550,440

This can also be written as 23 x 31 x 51 x 1391 x 25,0331 = 417,550,440

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


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