Q: What are the prime factors of the number 126,465,501?

 A: 3, 19, 331, 6703

Why are those the prime factors of the number 126,465,501?

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 126,465,501

126,465,501
Factor Arrows
342,155,167
Factor Arrows
192,218,693
Factor Arrows
3316,703

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, 19, 331, 6703

We can check our work by multiplying all of the prime factors together: 3 x 19 x 331 x 6,703 = 126,465,501

This can also be written as 31 x 191 x 3311 x 6,7031 = 126,465,501

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


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