Q: What are the prime factors of the number 51,020,676?

 A: 2, 3, 7, 293, 691

Why are those the prime factors of the number 51,020,676?

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 51,020,676

51,020,676
Factor Arrows
225,510,338
Factor Arrows
212,755,169
Factor Arrows
34,251,723
Factor Arrows
31,417,241
Factor Arrows
7202,463
Factor Arrows
293691

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, 293, 691

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 293 x 691 = 51,020,676

This can also be written as 22 x 32 x 71 x 2931 x 6911 = 51,020,676

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


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