Q: What are the prime factors of the number 132,426,910?

 A: 2, 5, 7, 11, 79, 311

Why are those the prime factors of the number 132,426,910?

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 132,426,910

132,426,910
Factor Arrows
266,213,455
Factor Arrows
513,242,691
Factor Arrows
71,891,813
Factor Arrows
7270,259
Factor Arrows
1124,569
Factor Arrows
79311

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, 5, 7, 11, 79, 311

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 7 x 11 x 79 x 311 = 132,426,910

This can also be written as 21 x 51 x 72 x 111 x 791 x 3111 = 132,426,910

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


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