Q: What are the prime factors of the number 277,578,060?

 A: 2, 3, 5, 61, 149, 509

Why are those the prime factors of the number 277,578,060?

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 277,578,060

277,578,060
Factor Arrows
2138,789,030
Factor Arrows
269,394,515
Factor Arrows
323,131,505
Factor Arrows
54,626,301
Factor Arrows
6175,841
Factor Arrows
149509

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, 5, 61, 149, 509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 61 x 149 x 509 = 277,578,060

This can also be written as 22 x 31 x 51 x 611 x 1491 x 5091 = 277,578,060

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


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