Q: What are the prime factors of the number 50,103,680?

 A: 2, 5, 11, 647

Why are those the prime factors of the number 50,103,680?

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 50,103,680

50,103,680
Factor Arrows
225,051,840
Factor Arrows
212,525,920
Factor Arrows
26,262,960
Factor Arrows
23,131,480
Factor Arrows
21,565,740
Factor Arrows
2782,870
Factor Arrows
2391,435
Factor Arrows
578,287
Factor Arrows
117,117
Factor Arrows
11647

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, 5, 11, 647

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 2 x 5 x 11 x 11 x 647 = 50,103,680

This can also be written as 27 x 51 x 112 x 6471 = 50,103,680

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


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