Q: What are the prime factors of the number 83,390,850?

 A: 2, 3, 5, 223, 277

Why are those the prime factors of the number 83,390,850?

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 83,390,850

83,390,850
Factor Arrows
241,695,425
Factor Arrows
313,898,475
Factor Arrows
34,632,825
Factor Arrows
31,544,275
Factor Arrows
5308,855
Factor Arrows
561,771
Factor Arrows
223277

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, 223, 277

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 223 x 277 = 83,390,850

This can also be written as 21 x 33 x 52 x 2231 x 2771 = 83,390,850

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


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