Q: What are the prime factors of the number 274,747,424?

 A: 2, 7, 59, 20789

Why are those the prime factors of the number 274,747,424?

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 274,747,424

274,747,424
Factor Arrows
2137,373,712
Factor Arrows
268,686,856
Factor Arrows
234,343,428
Factor Arrows
217,171,714
Factor Arrows
28,585,857
Factor Arrows
71,226,551
Factor Arrows
5920,789

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, 7, 59, 20789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 59 x 20,789 = 274,747,424

This can also be written as 25 x 71 x 591 x 20,7891 = 274,747,424

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


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