Q: What are the prime factors of the number 238,187,388?

 A: 2, 3, 1129, 17581

Why are those the prime factors of the number 238,187,388?

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 238,187,388

238,187,388
Factor Arrows
2119,093,694
Factor Arrows
259,546,847
Factor Arrows
319,848,949
Factor Arrows
1,12917,581

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, 3, 1129, 17581

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 1,129 x 17,581 = 238,187,388

This can also be written as 22 x 31 x 1,1291 x 17,5811 = 238,187,388

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


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