Q: What are the prime factors of the number 2,665,224?

 A: 2, 3, 457

Why are those the prime factors of the number 2,665,224?

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 2,665,224

2,665,224
Factor Arrows
21,332,612
Factor Arrows
2666,306
Factor Arrows
2333,153
Factor Arrows
3111,051
Factor Arrows
337,017
Factor Arrows
312,339
Factor Arrows
34,113
Factor Arrows
31,371
Factor Arrows
3457

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, 457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 457 = 2,665,224

This can also be written as 23 x 36 x 4571 = 2,665,224

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


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