Q: What are the prime factors of the number 423,311,441?

 A: 7, 17, 613, 829

Why are those the prime factors of the number 423,311,441?

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 423,311,441

423,311,441
Factor Arrows
760,473,063
Factor Arrows
78,639,009
Factor Arrows
17508,177
Factor Arrows
613829

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:

7, 17, 613, 829

We can check our work by multiplying all of the prime factors together: 7 x 7 x 17 x 613 x 829 = 423,311,441

This can also be written as 72 x 171 x 6131 x 8291 = 423,311,441

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


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