Q: What are the prime factors of the number 231,114,040?

 A: 2, 5, 47, 269, 457

Why are those the prime factors of the number 231,114,040?

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 231,114,040

231,114,040
Factor Arrows
2115,557,020
Factor Arrows
257,778,510
Factor Arrows
228,889,255
Factor Arrows
55,777,851
Factor Arrows
47122,933
Factor Arrows
269457

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, 47, 269, 457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 47 x 269 x 457 = 231,114,040

This can also be written as 23 x 51 x 471 x 2691 x 4571 = 231,114,040

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


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