Q: What are the prime factors of the number 192,512?

 A: 2, 47

Why are those the prime factors of the number 192,512?

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 192,512

192,512
Factor Arrows
296,256
Factor Arrows
248,128
Factor Arrows
224,064
Factor Arrows
212,032
Factor Arrows
26,016
Factor Arrows
23,008
Factor Arrows
21,504
Factor Arrows
2752
Factor Arrows
2376
Factor Arrows
2188
Factor Arrows
294
Factor Arrows
247

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, 47

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 2 x 2 x 2 x 2 x 2 x 2 x 47 = 192,512

This can also be written as 212 x 471 = 192,512

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


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