Q: What are the prime factors of the number 611,904?

 A: 2, 3, 3187

Why are those the prime factors of the number 611,904?

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 611,904

611,904
Factor Arrows
2305,952
Factor Arrows
2152,976
Factor Arrows
276,488
Factor Arrows
238,244
Factor Arrows
219,122
Factor Arrows
29,561
Factor Arrows
33,187

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:

2, 3, 3187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3,187 = 611,904

This can also be written as 26 x 31 x 3,1871 = 611,904

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


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