Q: What are the prime factors of the number 195,584?

 A: 2, 191

Why are those the prime factors of the number 195,584?

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 195,584

195,584
Factor Arrows
297,792
Factor Arrows
248,896
Factor Arrows
224,448
Factor Arrows
212,224
Factor Arrows
26,112
Factor Arrows
23,056
Factor Arrows
21,528
Factor Arrows
2764
Factor Arrows
2382
Factor Arrows
2191

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, 191

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 191 = 195,584

This can also be written as 210 x 1911 = 195,584

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


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