Q: What are the prime factors of the number 259,779,912?

 A: 2, 3, 7, 29, 71, 751

Why are those the prime factors of the number 259,779,912?

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 259,779,912

259,779,912
Factor Arrows
2129,889,956
Factor Arrows
264,944,978
Factor Arrows
232,472,489
Factor Arrows
310,824,163
Factor Arrows
71,546,309
Factor Arrows
2953,321
Factor Arrows
71751

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, 7, 29, 71, 751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 29 x 71 x 751 = 259,779,912

This can also be written as 23 x 31 x 71 x 291 x 711 x 7511 = 259,779,912

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


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