Q: What are the prime factors of the number 1,204,416?

 A: 2, 3, 17, 41

Why are those the prime factors of the number 1,204,416?

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 1,204,416

1,204,416
Factor Arrows
2602,208
Factor Arrows
2301,104
Factor Arrows
2150,552
Factor Arrows
275,276
Factor Arrows
237,638
Factor Arrows
218,819
Factor Arrows
36,273
Factor Arrows
32,091
Factor Arrows
3697
Factor Arrows
1741

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, 17, 41

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 3 x 17 x 41 = 1,204,416

This can also be written as 26 x 33 x 171 x 411 = 1,204,416

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


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