Q: What are the prime factors of the number 54,086,103?

 A: 3, 19, 31, 179

Why are those the prime factors of the number 54,086,103?

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 54,086,103

54,086,103
Factor Arrows
318,028,701
Factor Arrows
36,009,567
Factor Arrows
32,003,189
Factor Arrows
19105,431
Factor Arrows
195,549
Factor Arrows
31179

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, 19, 31, 179

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 19 x 19 x 31 x 179 = 54,086,103

This can also be written as 33 x 192 x 311 x 1791 = 54,086,103

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


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