Q: What are the prime factors of the number 405,023,350?

 A: 2, 5, 53, 152839

Why are those the prime factors of the number 405,023,350?

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 405,023,350

405,023,350
Factor Arrows
2202,511,675
Factor Arrows
540,502,335
Factor Arrows
58,100,467
Factor Arrows
53152,839

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, 53, 152839

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 53 x 152,839 = 405,023,350

This can also be written as 21 x 52 x 531 x 152,8391 = 405,023,350

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


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