Q: What are the prime factors of the number 51,235,136?

 A: 2, 800549

Why are those the prime factors of the number 51,235,136?

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 51,235,136

51,235,136
Factor Arrows
225,617,568
Factor Arrows
212,808,784
Factor Arrows
26,404,392
Factor Arrows
23,202,196
Factor Arrows
21,601,098
Factor Arrows
2800,549

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, 800549

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 800,549 = 51,235,136

This can also be written as 26 x 800,5491 = 51,235,136

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


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