Q: What are the prime factors of the number 50,513,216?

 A: 2, 13, 109, 557

Why are those the prime factors of the number 50,513,216?

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 50,513,216

50,513,216
Factor Arrows
225,256,608
Factor Arrows
212,628,304
Factor Arrows
26,314,152
Factor Arrows
23,157,076
Factor Arrows
21,578,538
Factor Arrows
2789,269
Factor Arrows
1360,713
Factor Arrows
109557

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, 13, 109, 557

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 13 x 109 x 557 = 50,513,216

This can also be written as 26 x 131 x 1091 x 5571 = 50,513,216

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


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