Q: What are the prime factors of the number 540,735?

 A: 3, 5, 13, 47, 59

Why are those the prime factors of the number 540,735?

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 540,735

540,735
Factor Arrows
3180,245
Factor Arrows
536,049
Factor Arrows
132,773
Factor Arrows
4759

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, 13, 47, 59

We can check our work by multiplying all of the prime factors together: 3 x 5 x 13 x 47 x 59 = 540,735

This can also be written as 31 x 51 x 131 x 471 x 591 = 540,735

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


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