Q: What are the prime factors of the number 1,225,026?

 A: 2, 3, 11, 23, 269

Why are those the prime factors of the number 1,225,026?

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 1,225,026

1,225,026
Factor Arrows
2612,513
Factor Arrows
3204,171
Factor Arrows
368,057
Factor Arrows
116,187
Factor Arrows
23269

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, 11, 23, 269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 23 x 269 = 1,225,026

This can also be written as 21 x 32 x 111 x 231 x 2691 = 1,225,026

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


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