Q: What are the prime factors of the number 277,788,858?

 A: 2, 3, 41, 43, 26261

Why are those the prime factors of the number 277,788,858?

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 277,788,858

277,788,858
Factor Arrows
2138,894,429
Factor Arrows
346,298,143
Factor Arrows
411,129,223
Factor Arrows
4326,261

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, 41, 43, 26261

We can check our work by multiplying all of the prime factors together: 2 x 3 x 41 x 43 x 26,261 = 277,788,858

This can also be written as 21 x 31 x 411 x 431 x 26,2611 = 277,788,858

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


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