Q: What are the prime factors of the number 50,311,520?

 A: 2, 5, 7, 29, 1549

Why are those the prime factors of the number 50,311,520?

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 50,311,520

50,311,520
Factor Arrows
225,155,760
Factor Arrows
212,577,880
Factor Arrows
26,288,940
Factor Arrows
23,144,470
Factor Arrows
21,572,235
Factor Arrows
5314,447
Factor Arrows
744,921
Factor Arrows
291,549

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, 7, 29, 1549

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 7 x 29 x 1,549 = 50,311,520

This can also be written as 25 x 51 x 71 x 291 x 1,5491 = 50,311,520

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


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