Q: What are the prime factors of the number 127,730,620?

 A: 2, 5, 6386531

Why are those the prime factors of the number 127,730,620?

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 127,730,620

127,730,620
Factor Arrows
263,865,310
Factor Arrows
231,932,655
Factor Arrows
56,386,531

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, 6386531

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 6,386,531 = 127,730,620

This can also be written as 22 x 51 x 6,386,5311 = 127,730,620

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


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