Q: What are the prime factors of the number 237,757,780?

 A: 2, 5, 13, 293, 3121

Why are those the prime factors of the number 237,757,780?

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 237,757,780

237,757,780
Factor Arrows
2118,878,890
Factor Arrows
259,439,445
Factor Arrows
511,887,889
Factor Arrows
13914,453
Factor Arrows
2933,121

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, 13, 293, 3121

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 13 x 293 x 3,121 = 237,757,780

This can also be written as 22 x 51 x 131 x 2931 x 3,1211 = 237,757,780

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


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