Q: What are the prime factors of the number 51,200,424?

 A: 2, 3, 11, 653

Why are those the prime factors of the number 51,200,424?

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 51,200,424

51,200,424
Factor Arrows
225,600,212
Factor Arrows
212,800,106
Factor Arrows
26,400,053
Factor Arrows
32,133,351
Factor Arrows
3711,117
Factor Arrows
3237,039
Factor Arrows
379,013
Factor Arrows
117,183
Factor Arrows
11653

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, 3, 11, 653

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 11 x 11 x 653 = 51,200,424

This can also be written as 23 x 34 x 112 x 6531 = 51,200,424

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


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