Q: What are the prime factors of the number 203,256,414?

 A: 2, 3, 19, 79, 7523

Why are those the prime factors of the number 203,256,414?

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 203,256,414

203,256,414
Factor Arrows
2101,628,207
Factor Arrows
333,876,069
Factor Arrows
311,292,023
Factor Arrows
19594,317
Factor Arrows
797,523

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, 19, 79, 7523

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 19 x 79 x 7,523 = 203,256,414

This can also be written as 21 x 32 x 191 x 791 x 7,5231 = 203,256,414

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


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