Q: What are the prime factors of the number 252,256,424?

 A: 2, 7, 31, 331, 439

Why are those the prime factors of the number 252,256,424?

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 252,256,424

252,256,424
Factor Arrows
2126,128,212
Factor Arrows
263,064,106
Factor Arrows
231,532,053
Factor Arrows
74,504,579
Factor Arrows
31145,309
Factor Arrows
331439

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, 7, 31, 331, 439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 31 x 331 x 439 = 252,256,424

This can also be written as 23 x 71 x 311 x 3311 x 4391 = 252,256,424

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


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