Q: What are the prime factors of the number 235,535,500?

 A: 2, 5, 139, 3389

Why are those the prime factors of the number 235,535,500?

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 235,535,500

235,535,500
Factor Arrows
2117,767,750
Factor Arrows
258,883,875
Factor Arrows
511,776,775
Factor Arrows
52,355,355
Factor Arrows
5471,071
Factor Arrows
1393,389

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, 139, 3389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 139 x 3,389 = 235,535,500

This can also be written as 22 x 53 x 1391 x 3,3891 = 235,535,500

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


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