Q: What are the prime factors of the number 51,136,426?

 A: 2, 11, 431, 5393

Why are those the prime factors of the number 51,136,426?

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 51,136,426

51,136,426
Factor Arrows
225,568,213
Factor Arrows
112,324,383
Factor Arrows
4315,393

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, 11, 431, 5393

We can check our work by multiplying all of the prime factors together: 2 x 11 x 431 x 5,393 = 51,136,426

This can also be written as 21 x 111 x 4311 x 5,3931 = 51,136,426

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


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