Q: What are the prime factors of the number 106,860,215?

 A: 5, 7, 11, 17, 29, 563

Why are those the prime factors of the number 106,860,215?

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 106,860,215

106,860,215
Factor Arrows
521,372,043
Factor Arrows
73,053,149
Factor Arrows
11277,559
Factor Arrows
1716,327
Factor Arrows
29563

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:

5, 7, 11, 17, 29, 563

We can check our work by multiplying all of the prime factors together: 5 x 7 x 11 x 17 x 29 x 563 = 106,860,215

This can also be written as 51 x 71 x 111 x 171 x 291 x 5631 = 106,860,215

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


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