Q: What are the prime factors of the number 50,174,880?

 A: 2, 3, 5, 7, 109, 137

Why are those the prime factors of the number 50,174,880?

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 50,174,880

50,174,880
Factor Arrows
225,087,440
Factor Arrows
212,543,720
Factor Arrows
26,271,860
Factor Arrows
23,135,930
Factor Arrows
21,567,965
Factor Arrows
3522,655
Factor Arrows
5104,531
Factor Arrows
714,933
Factor Arrows
109137

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, 5, 7, 109, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 7 x 109 x 137 = 50,174,880

This can also be written as 25 x 31 x 51 x 71 x 1091 x 1371 = 50,174,880

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


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