Q: What are the prime factors of the number 26,787,744?

 A: 2, 3, 47, 1979

Why are those the prime factors of the number 26,787,744?

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 26,787,744

26,787,744
Factor Arrows
213,393,872
Factor Arrows
26,696,936
Factor Arrows
23,348,468
Factor Arrows
21,674,234
Factor Arrows
2837,117
Factor Arrows
3279,039
Factor Arrows
393,013
Factor Arrows
471,979

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, 47, 1979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 47 x 1,979 = 26,787,744

This can also be written as 25 x 32 x 471 x 1,9791 = 26,787,744

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


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