Q: What are the prime factors of the number 50,371,470?

 A: 2, 3, 5, 19, 1091

Why are those the prime factors of the number 50,371,470?

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 50,371,470

50,371,470
Factor Arrows
225,185,735
Factor Arrows
38,395,245
Factor Arrows
32,798,415
Factor Arrows
3932,805
Factor Arrows
3310,935
Factor Arrows
3103,645
Factor Arrows
520,729
Factor Arrows
191,091

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, 19, 1091

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 5 x 19 x 1,091 = 50,371,470

This can also be written as 21 x 35 x 51 x 191 x 1,0911 = 50,371,470

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


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