Q: What are the prime factors of the number 366,545,440?

 A: 2, 5, 499, 4591

Why are those the prime factors of the number 366,545,440?

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 366,545,440

366,545,440
Factor Arrows
2183,272,720
Factor Arrows
291,636,360
Factor Arrows
245,818,180
Factor Arrows
222,909,090
Factor Arrows
211,454,545
Factor Arrows
52,290,909
Factor Arrows
4994,591

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, 5, 499, 4591

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 499 x 4,591 = 366,545,440

This can also be written as 25 x 51 x 4991 x 4,5911 = 366,545,440

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


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