Q: What are the prime factors of the number 231,364,250?

 A: 2, 5, 13, 257, 277

Why are those the prime factors of the number 231,364,250?

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 231,364,250

231,364,250
Factor Arrows
2115,682,125
Factor Arrows
523,136,425
Factor Arrows
54,627,285
Factor Arrows
5925,457
Factor Arrows
1371,189
Factor Arrows
257277

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, 257, 277

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 5 x 13 x 257 x 277 = 231,364,250

This can also be written as 21 x 53 x 131 x 2571 x 2771 = 231,364,250

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


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