Q: What are the prime factors of the number 247,061,628?

 A: 2, 3, 11, 623893

Why are those the prime factors of the number 247,061,628?

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 247,061,628

247,061,628
Factor Arrows
2123,530,814
Factor Arrows
261,765,407
Factor Arrows
320,588,469
Factor Arrows
36,862,823
Factor Arrows
11623,893

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, 11, 623893

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 623,893 = 247,061,628

This can also be written as 22 x 32 x 111 x 623,8931 = 247,061,628

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


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