Q: What are the prime factors of the number 541,172,151?

 A: 3, 13, 647, 2383

Why are those the prime factors of the number 541,172,151?

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 541,172,151

541,172,151
Factor Arrows
3180,390,717
Factor Arrows
360,130,239
Factor Arrows
320,043,413
Factor Arrows
131,541,801
Factor Arrows
6472,383

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:

3, 13, 647, 2383

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 647 x 2,383 = 541,172,151

This can also be written as 33 x 131 x 6471 x 2,3831 = 541,172,151

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


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