Q: What are the prime factors of the number 720,174,270?

 A: 2, 3, 5, 79, 303871

Why are those the prime factors of the number 720,174,270?

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 720,174,270

720,174,270
Factor Arrows
2360,087,135
Factor Arrows
3120,029,045
Factor Arrows
524,005,809
Factor Arrows
79303,871

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, 79, 303871

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 79 x 303,871 = 720,174,270

This can also be written as 21 x 31 x 51 x 791 x 303,8711 = 720,174,270

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


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