Q: What are the prime factors of the number 1,839,744?

 A: 2, 3, 1597

Why are those the prime factors of the number 1,839,744?

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 1,839,744

1,839,744
Factor Arrows
2919,872
Factor Arrows
2459,936
Factor Arrows
2229,968
Factor Arrows
2114,984
Factor Arrows
257,492
Factor Arrows
228,746
Factor Arrows
214,373
Factor Arrows
34,791
Factor Arrows
31,597

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, 1597

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 2 x 3 x 3 x 1,597 = 1,839,744

This can also be written as 27 x 32 x 1,5971 = 1,839,744

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


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