Q: What are the prime factors of the number 356,541,660?

 A: 2, 3, 5, 29, 167, 409

Why are those the prime factors of the number 356,541,660?

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 356,541,660

356,541,660
Factor Arrows
2178,270,830
Factor Arrows
289,135,415
Factor Arrows
329,711,805
Factor Arrows
39,903,935
Factor Arrows
51,980,787
Factor Arrows
2968,303
Factor Arrows
167409

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, 29, 167, 409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 29 x 167 x 409 = 356,541,660

This can also be written as 22 x 32 x 51 x 291 x 1671 x 4091 = 356,541,660

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


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