Q: What are the prime factors of the number 50,544,640?

 A: 2, 5, 617

Why are those the prime factors of the number 50,544,640?

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 50,544,640

50,544,640
Factor Arrows
225,272,320
Factor Arrows
212,636,160
Factor Arrows
26,318,080
Factor Arrows
23,159,040
Factor Arrows
21,579,520
Factor Arrows
2789,760
Factor Arrows
2394,880
Factor Arrows
2197,440
Factor Arrows
298,720
Factor Arrows
249,360
Factor Arrows
224,680
Factor Arrows
212,340
Factor Arrows
26,170
Factor Arrows
23,085
Factor Arrows
5617

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, 617

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 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 617 = 50,544,640

This can also be written as 214 x 51 x 6171 = 50,544,640

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


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