Q: What are the prime factors of the number 277,411,705?

 A: 5, 43, 1290287

Why are those the prime factors of the number 277,411,705?

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 277,411,705

277,411,705
Factor Arrows
555,482,341
Factor Arrows
431,290,287

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:

5, 43, 1290287

We can check our work by multiplying all of the prime factors together: 5 x 43 x 1,290,287 = 277,411,705

This can also be written as 51 x 431 x 1,290,2871 = 277,411,705

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


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