Q: What are the prime factors of the number 1,788,237?

 A: 3, 11, 223

Why are those the prime factors of the number 1,788,237?

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 1,788,237

1,788,237
Factor Arrows
3596,079
Factor Arrows
3198,693
Factor Arrows
366,231
Factor Arrows
322,077
Factor Arrows
37,359
Factor Arrows
32,453
Factor Arrows
11223

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:

3, 11, 223

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 11 x 223 = 1,788,237

This can also be written as 36 x 111 x 2231 = 1,788,237

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


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