Q: What are the prime factors of the number 51,605,463?

 A: 3, 7, 13, 19, 9949

Why are those the prime factors of the number 51,605,463?

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 51,605,463

51,605,463
Factor Arrows
317,201,821
Factor Arrows
72,457,403
Factor Arrows
13189,031
Factor Arrows
199,949

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:

3, 7, 13, 19, 9949

We can check our work by multiplying all of the prime factors together: 3 x 7 x 13 x 19 x 9,949 = 51,605,463

This can also be written as 31 x 71 x 131 x 191 x 9,9491 = 51,605,463

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


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