Q: What are the prime factors of the number 277,026,642?

 A: 2, 3, 67, 25523

Why are those the prime factors of the number 277,026,642?

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 277,026,642

277,026,642
Factor Arrows
2138,513,321
Factor Arrows
346,171,107
Factor Arrows
315,390,369
Factor Arrows
35,130,123
Factor Arrows
31,710,041
Factor Arrows
6725,523

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, 67, 25523

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 67 x 25,523 = 277,026,642

This can also be written as 21 x 34 x 671 x 25,5231 = 277,026,642

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


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