Q: What are the prime factors of the number 54,215,685?

 A: 3, 5, 89, 13537

Why are those the prime factors of the number 54,215,685?

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 54,215,685

54,215,685
Factor Arrows
318,071,895
Factor Arrows
36,023,965
Factor Arrows
51,204,793
Factor Arrows
8913,537

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, 5, 89, 13537

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 89 x 13,537 = 54,215,685

This can also be written as 32 x 51 x 891 x 13,5371 = 54,215,685

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


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