Q: What are the prime factors of the number 1,211,598?

 A: 2, 3, 277

Why are those the prime factors of the number 1,211,598?

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 1,211,598

1,211,598
Factor Arrows
2605,799
Factor Arrows
3201,933
Factor Arrows
367,311
Factor Arrows
322,437
Factor Arrows
37,479
Factor Arrows
32,493
Factor Arrows
3831
Factor Arrows
3277

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, 277

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 277 = 1,211,598

This can also be written as 21 x 37 x 2771 = 1,211,598

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


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