Q: What are the prime factors of the number 51,066,869?

 A: 7, 21269

Why are those the prime factors of the number 51,066,869?

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 51,066,869

51,066,869
Factor Arrows
77,295,267
Factor Arrows
71,042,181
Factor Arrows
7148,883
Factor Arrows
721,269

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:

7, 21269

We can check our work by multiplying all of the prime factors together: 7 x 7 x 7 x 7 x 21,269 = 51,066,869

This can also be written as 74 x 21,2691 = 51,066,869

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


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