Q: What are the prime factors of the number 54,231,513?

 A: 3, 7, 17, 151909

Why are those the prime factors of the number 54,231,513?

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 54,231,513

54,231,513
Factor Arrows
318,077,171
Factor Arrows
72,582,453
Factor Arrows
17151,909

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, 7, 17, 151909

We can check our work by multiplying all of the prime factors together: 3 x 7 x 17 x 151,909 = 54,231,513

This can also be written as 31 x 71 x 171 x 151,9091 = 54,231,513

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


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