Q: What are the prime factors of the number 51,125,404?

 A: 2, 11, 73, 1447

Why are those the prime factors of the number 51,125,404?

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 51,125,404

51,125,404
Factor Arrows
225,562,702
Factor Arrows
212,781,351
Factor Arrows
111,161,941
Factor Arrows
11105,631
Factor Arrows
731,447

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, 73, 1447

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 11 x 73 x 1,447 = 51,125,404

This can also be written as 22 x 112 x 731 x 1,4471 = 51,125,404

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


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