Q: What are the prime factors of the number 192,570,210?

 A: 2, 3, 5, 7, 11321

Why are those the prime factors of the number 192,570,210?

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 192,570,210

192,570,210
Factor Arrows
296,285,105
Factor Arrows
332,095,035
Factor Arrows
310,698,345
Factor Arrows
33,566,115
Factor Arrows
31,188,705
Factor Arrows
3396,235
Factor Arrows
579,247
Factor Arrows
711,321

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, 5, 7, 11321

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 5 x 7 x 11,321 = 192,570,210

This can also be written as 21 x 35 x 51 x 71 x 11,3211 = 192,570,210

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


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