Q: What are the prime factors of the number 127,446,746?

 A: 2, 7, 1300477

Why are those the prime factors of the number 127,446,746?

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 127,446,746

127,446,746
Factor Arrows
263,723,373
Factor Arrows
79,103,339
Factor Arrows
71,300,477

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, 1300477

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 1,300,477 = 127,446,746

This can also be written as 21 x 72 x 1,300,4771 = 127,446,746

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


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