Q: What are the prime factors of the number 252,257,712?

 A: 2, 3, 7, 37, 103, 197

Why are those the prime factors of the number 252,257,712?

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 252,257,712

252,257,712
Factor Arrows
2126,128,856
Factor Arrows
263,064,428
Factor Arrows
231,532,214
Factor Arrows
215,766,107
Factor Arrows
35,255,369
Factor Arrows
7750,767
Factor Arrows
3720,291
Factor Arrows
103197

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, 7, 37, 103, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 37 x 103 x 197 = 252,257,712

This can also be written as 24 x 31 x 71 x 371 x 1031 x 1971 = 252,257,712

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


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