Q: What are the prime factors of the number 51,483,712?

 A: 2, 7, 16417

Why are those the prime factors of the number 51,483,712?

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 51,483,712

51,483,712
Factor Arrows
225,741,856
Factor Arrows
212,870,928
Factor Arrows
26,435,464
Factor Arrows
23,217,732
Factor Arrows
21,608,866
Factor Arrows
2804,433
Factor Arrows
7114,919
Factor Arrows
716,417

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, 16417

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 7 x 16,417 = 51,483,712

This can also be written as 26 x 72 x 16,4171 = 51,483,712

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


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