Q: What are the prime factors of the number 55,540,512?

 A: 2, 3, 64283

Why are those the prime factors of the number 55,540,512?

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 55,540,512

55,540,512
Factor Arrows
227,770,256
Factor Arrows
213,885,128
Factor Arrows
26,942,564
Factor Arrows
23,471,282
Factor Arrows
21,735,641
Factor Arrows
3578,547
Factor Arrows
3192,849
Factor Arrows
364,283

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, 64283

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 64,283 = 55,540,512

This can also be written as 25 x 33 x 64,2831 = 55,540,512

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


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