Q: What are the prime factors of the number 277,231,584?

 A: 2, 3, 7, 19, 21713

Why are those the prime factors of the number 277,231,584?

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 277,231,584

277,231,584
Factor Arrows
2138,615,792
Factor Arrows
269,307,896
Factor Arrows
234,653,948
Factor Arrows
217,326,974
Factor Arrows
28,663,487
Factor Arrows
32,887,829
Factor Arrows
7412,547
Factor Arrows
1921,713

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, 7, 19, 21713

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 19 x 21,713 = 277,231,584

This can also be written as 25 x 31 x 71 x 191 x 21,7131 = 277,231,584

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


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