Q: What are the prime factors of the number 2,205,504?

 A: 2, 3, 7, 547

Why are those the prime factors of the number 2,205,504?

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 2,205,504

2,205,504
Factor Arrows
21,102,752
Factor Arrows
2551,376
Factor Arrows
2275,688
Factor Arrows
2137,844
Factor Arrows
268,922
Factor Arrows
234,461
Factor Arrows
311,487
Factor Arrows
33,829
Factor Arrows
7547

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, 547

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 3 x 3 x 7 x 547 = 2,205,504

This can also be written as 26 x 32 x 71 x 5471 = 2,205,504

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


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