Q: What are the prime factors of the number 105,686,104?

 A: 2, 23, 613, 937

Why are those the prime factors of the number 105,686,104?

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 105,686,104

105,686,104
Factor Arrows
252,843,052
Factor Arrows
226,421,526
Factor Arrows
213,210,763
Factor Arrows
23574,381
Factor Arrows
613937

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, 23, 613, 937

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 23 x 613 x 937 = 105,686,104

This can also be written as 23 x 231 x 6131 x 9371 = 105,686,104

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


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