Q: What are the prime factors of the number 237,451,280?

 A: 2, 5, 11, 239, 1129

Why are those the prime factors of the number 237,451,280?

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 237,451,280

237,451,280
Factor Arrows
2118,725,640
Factor Arrows
259,362,820
Factor Arrows
229,681,410
Factor Arrows
214,840,705
Factor Arrows
52,968,141
Factor Arrows
11269,831
Factor Arrows
2391,129

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, 239, 1129

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 11 x 239 x 1,129 = 237,451,280

This can also be written as 24 x 51 x 111 x 2391 x 1,1291 = 237,451,280

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


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