Q: What are the prime factors of the number 797,760?

 A: 2, 3, 5, 277

Why are those the prime factors of the number 797,760?

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 797,760

797,760
Factor Arrows
2398,880
Factor Arrows
2199,440
Factor Arrows
299,720
Factor Arrows
249,860
Factor Arrows
224,930
Factor Arrows
212,465
Factor Arrows
34,155
Factor Arrows
31,385
Factor Arrows
5277

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, 277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 277 = 797,760

This can also be written as 26 x 32 x 51 x 2771 = 797,760

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


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