Q: What are the prime factors of the number 276,826,858?

 A: 2, 7, 11, 137, 13121

Why are those the prime factors of the number 276,826,858?

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 276,826,858

276,826,858
Factor Arrows
2138,413,429
Factor Arrows
719,773,347
Factor Arrows
111,797,577
Factor Arrows
13713,121

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, 11, 137, 13121

We can check our work by multiplying all of the prime factors together: 2 x 7 x 11 x 137 x 13,121 = 276,826,858

This can also be written as 21 x 71 x 111 x 1371 x 13,1211 = 276,826,858

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


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