Q: What are the prime factors of the number 353,183,825?

 A: 5, 127, 173, 643

Why are those the prime factors of the number 353,183,825?

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 353,183,825

353,183,825
Factor Arrows
570,636,765
Factor Arrows
514,127,353
Factor Arrows
127111,239
Factor Arrows
173643

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:

5, 127, 173, 643

We can check our work by multiplying all of the prime factors together: 5 x 5 x 127 x 173 x 643 = 353,183,825

This can also be written as 52 x 1271 x 1731 x 6431 = 353,183,825

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


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