Q: What are the prime factors of the number 274,731,348?

 A: 2, 3, 79, 179, 1619

Why are those the prime factors of the number 274,731,348?

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 274,731,348

274,731,348
Factor Arrows
2137,365,674
Factor Arrows
268,682,837
Factor Arrows
322,894,279
Factor Arrows
79289,801
Factor Arrows
1791,619

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, 79, 179, 1619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 79 x 179 x 1,619 = 274,731,348

This can also be written as 22 x 31 x 791 x 1791 x 1,6191 = 274,731,348

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


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