Q: What are the prime factors of the number 195,903,708?

 A: 2, 3, 7, 11, 13, 47, 347

Why are those the prime factors of the number 195,903,708?

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 195,903,708

195,903,708
Factor Arrows
297,951,854
Factor Arrows
248,975,927
Factor Arrows
316,325,309
Factor Arrows
72,332,187
Factor Arrows
11212,017
Factor Arrows
1316,309
Factor Arrows
47347

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, 7, 11, 13, 47, 347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 11 x 13 x 47 x 347 = 195,903,708

This can also be written as 22 x 31 x 71 x 111 x 131 x 471 x 3471 = 195,903,708

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


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