Q: What are the prime factors of the number 230,312,500?

 A: 2, 5, 11, 67

Why are those the prime factors of the number 230,312,500?

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 230,312,500

230,312,500
Factor Arrows
2115,156,250
Factor Arrows
257,578,125
Factor Arrows
511,515,625
Factor Arrows
52,303,125
Factor Arrows
5460,625
Factor Arrows
592,125
Factor Arrows
518,425
Factor Arrows
53,685
Factor Arrows
5737
Factor Arrows
1167

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, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 11 x 67 = 230,312,500

This can also be written as 22 x 57 x 111 x 671 = 230,312,500

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


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