Q: What are the prime factors of the number 356,145,568?

 A: 2, 1327, 8387

Why are those the prime factors of the number 356,145,568?

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 356,145,568

356,145,568
Factor Arrows
2178,072,784
Factor Arrows
289,036,392
Factor Arrows
244,518,196
Factor Arrows
222,259,098
Factor Arrows
211,129,549
Factor Arrows
1,3278,387

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, 1327, 8387

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,327 x 8,387 = 356,145,568

This can also be written as 25 x 1,3271 x 8,3871 = 356,145,568

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


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