Q: What are the prime factors of the number 157,144,130?

 A: 2, 5, 11, 13, 109891

Why are those the prime factors of the number 157,144,130?

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 157,144,130

157,144,130
Factor Arrows
278,572,065
Factor Arrows
515,714,413
Factor Arrows
111,428,583
Factor Arrows
13109,891

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, 11, 13, 109891

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 13 x 109,891 = 157,144,130

This can also be written as 21 x 51 x 111 x 131 x 109,8911 = 157,144,130

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


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