Q: What are the prime factors of the number 63,081,855?

 A: 3, 5, 37, 73, 173

Why are those the prime factors of the number 63,081,855?

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 63,081,855

63,081,855
Factor Arrows
321,027,285
Factor Arrows
37,009,095
Factor Arrows
32,336,365
Factor Arrows
5467,273
Factor Arrows
3712,629
Factor Arrows
73173

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, 37, 73, 173

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 37 x 73 x 173 = 63,081,855

This can also be written as 33 x 51 x 371 x 731 x 1731 = 63,081,855

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


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