Q: What are the prime factors of the number 107,770,455?

 A: 3, 5, 13, 37, 383

Why are those the prime factors of the number 107,770,455?

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 107,770,455

107,770,455
Factor Arrows
335,923,485
Factor Arrows
311,974,495
Factor Arrows
52,394,899
Factor Arrows
13184,223
Factor Arrows
1314,171
Factor Arrows
37383

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:

3, 5, 13, 37, 383

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 13 x 13 x 37 x 383 = 107,770,455

This can also be written as 32 x 51 x 132 x 371 x 3831 = 107,770,455

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


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