Q: What are the prime factors of the number 195,200?

 A: 2, 5, 61

Why are those the prime factors of the number 195,200?

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 195,200

195,200
Factor Arrows
297,600
Factor Arrows
248,800
Factor Arrows
224,400
Factor Arrows
212,200
Factor Arrows
26,100
Factor Arrows
23,050
Factor Arrows
21,525
Factor Arrows
5305
Factor Arrows
561

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, 5, 61

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 5 x 5 x 61 = 195,200

This can also be written as 27 x 52 x 611 = 195,200

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


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