Q: What are the prime factors of the number 250,355,115?

 A: 3, 5, 19, 23, 29, 439

Why are those the prime factors of the number 250,355,115?

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 250,355,115

250,355,115
Factor Arrows
383,451,705
Factor Arrows
327,817,235
Factor Arrows
55,563,447
Factor Arrows
19292,813
Factor Arrows
2312,731
Factor Arrows
29439

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, 19, 23, 29, 439

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 19 x 23 x 29 x 439 = 250,355,115

This can also be written as 32 x 51 x 191 x 231 x 291 x 4391 = 250,355,115

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


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