Q: What are the prime factors of the number 404,545,500?

 A: 2, 3, 5, 89899

Why are those the prime factors of the number 404,545,500?

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 404,545,500

404,545,500
Factor Arrows
2202,272,750
Factor Arrows
2101,136,375
Factor Arrows
333,712,125
Factor Arrows
311,237,375
Factor Arrows
52,247,475
Factor Arrows
5449,495
Factor Arrows
589,899

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, 89899

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 5 x 5 x 89,899 = 404,545,500

This can also be written as 22 x 32 x 53 x 89,8991 = 404,545,500

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


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