Q: What are the prime factors of the number 2,073,288?

 A: 2, 3, 7, 41, 43

Why are those the prime factors of the number 2,073,288?

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 2,073,288

2,073,288
Factor Arrows
21,036,644
Factor Arrows
2518,322
Factor Arrows
2259,161
Factor Arrows
386,387
Factor Arrows
712,341
Factor Arrows
71,763
Factor Arrows
4143

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, 7, 41, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 41 x 43 = 2,073,288

This can also be written as 23 x 31 x 72 x 411 x 431 = 2,073,288

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


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