Q: What are the prime factors of the number 10,783,449?

 A: 3, 67, 1987

Why are those the prime factors of the number 10,783,449?

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 10,783,449

10,783,449
Factor Arrows
33,594,483
Factor Arrows
31,198,161
Factor Arrows
3399,387
Factor Arrows
3133,129
Factor Arrows
671,987

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:

3, 67, 1987

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 67 x 1,987 = 10,783,449

This can also be written as 34 x 671 x 1,9871 = 10,783,449

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


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