Q: What are the prime factors of the number 797,040?

 A: 2, 3, 5, 41

Why are those the prime factors of the number 797,040?

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 797,040

797,040
Factor Arrows
2398,520
Factor Arrows
2199,260
Factor Arrows
299,630
Factor Arrows
249,815
Factor Arrows
316,605
Factor Arrows
35,535
Factor Arrows
31,845
Factor Arrows
3615
Factor Arrows
3205
Factor Arrows
541

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, 41

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 5 x 41 = 797,040

This can also be written as 24 x 35 x 51 x 411 = 797,040

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


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