Q: What are the prime factors of the number 228,667,784?

 A: 2, 29, 47, 67, 313

Why are those the prime factors of the number 228,667,784?

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 228,667,784

228,667,784
Factor Arrows
2114,333,892
Factor Arrows
257,166,946
Factor Arrows
228,583,473
Factor Arrows
29985,637
Factor Arrows
4720,971
Factor Arrows
67313

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, 29, 47, 67, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 29 x 47 x 67 x 313 = 228,667,784

This can also be written as 23 x 291 x 471 x 671 x 3131 = 228,667,784

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


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