Q: What are the prime factors of the number 126,074,326?

 A: 2, 7, 113, 79693

Why are those the prime factors of the number 126,074,326?

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 126,074,326

126,074,326
Factor Arrows
263,037,163
Factor Arrows
79,005,309
Factor Arrows
11379,693

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, 7, 113, 79693

We can check our work by multiplying all of the prime factors together: 2 x 7 x 113 x 79,693 = 126,074,326

This can also be written as 21 x 71 x 1131 x 79,6931 = 126,074,326

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


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