Q: What are the prime factors of the number 277,775,456?

 A: 2, 7, 29, 61, 701

Why are those the prime factors of the number 277,775,456?

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 277,775,456

277,775,456
Factor Arrows
2138,887,728
Factor Arrows
269,443,864
Factor Arrows
234,721,932
Factor Arrows
217,360,966
Factor Arrows
28,680,483
Factor Arrows
71,240,069
Factor Arrows
2942,761
Factor Arrows
61701

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, 7, 29, 61, 701

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 29 x 61 x 701 = 277,775,456

This can also be written as 25 x 71 x 291 x 611 x 7011 = 277,775,456

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


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