Q: What are the prime factors of the number 276,755,824?

 A: 2, 19, 53, 89, 193

Why are those the prime factors of the number 276,755,824?

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 276,755,824

276,755,824
Factor Arrows
2138,377,912
Factor Arrows
269,188,956
Factor Arrows
234,594,478
Factor Arrows
217,297,239
Factor Arrows
19910,381
Factor Arrows
5317,177
Factor Arrows
89193

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, 19, 53, 89, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 53 x 89 x 193 = 276,755,824

This can also be written as 24 x 191 x 531 x 891 x 1931 = 276,755,824

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


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