Q: What are the prime factors of the number 127,723,689?

 A: 3, 31, 152597

Why are those the prime factors of the number 127,723,689?

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 127,723,689

127,723,689
Factor Arrows
342,574,563
Factor Arrows
314,191,521
Factor Arrows
34,730,507
Factor Arrows
31152,597

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, 31, 152597

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 31 x 152,597 = 127,723,689

This can also be written as 33 x 311 x 152,5971 = 127,723,689

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


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