Q: What are the prime factors of the number 235,121,312?

 A: 2, 1051, 6991

Why are those the prime factors of the number 235,121,312?

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 235,121,312

235,121,312
Factor Arrows
2117,560,656
Factor Arrows
258,780,328
Factor Arrows
229,390,164
Factor Arrows
214,695,082
Factor Arrows
27,347,541
Factor Arrows
1,0516,991

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, 1051, 6991

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,051 x 6,991 = 235,121,312

This can also be written as 25 x 1,0511 x 6,9911 = 235,121,312

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


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