Q: What are the prime factors of the number 254,713,245?

 A: 3, 5, 1123, 15121

Why are those the prime factors of the number 254,713,245?

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 254,713,245

254,713,245
Factor Arrows
384,904,415
Factor Arrows
516,980,883
Factor Arrows
1,12315,121

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:

3, 5, 1123, 15121

We can check our work by multiplying all of the prime factors together: 3 x 5 x 1,123 x 15,121 = 254,713,245

This can also be written as 31 x 51 x 1,1231 x 15,1211 = 254,713,245

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


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