Q: What are the prime factors of the number 105,222,788?

 A: 2, 11, 29, 82463

Why are those the prime factors of the number 105,222,788?

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 105,222,788

105,222,788
Factor Arrows
252,611,394
Factor Arrows
226,305,697
Factor Arrows
112,391,427
Factor Arrows
2982,463

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, 11, 29, 82463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 29 x 82,463 = 105,222,788

This can also be written as 22 x 111 x 291 x 82,4631 = 105,222,788

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


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