Q: What are the prime factors of the number 277,216,350?

 A: 2, 3, 5, 919, 2011

Why are those the prime factors of the number 277,216,350?

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 277,216,350

277,216,350
Factor Arrows
2138,608,175
Factor Arrows
346,202,725
Factor Arrows
59,240,545
Factor Arrows
51,848,109
Factor Arrows
9192,011

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, 919, 2011

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 919 x 2,011 = 277,216,350

This can also be written as 21 x 31 x 52 x 9191 x 2,0111 = 277,216,350

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


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