Q: What are the prime factors of the number 1,111,248?

 A: 2, 3, 7717

Why are those the prime factors of the number 1,111,248?

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 1,111,248

1,111,248
Factor Arrows
2555,624
Factor Arrows
2277,812
Factor Arrows
2138,906
Factor Arrows
269,453
Factor Arrows
323,151
Factor Arrows
37,717

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, 7717

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7,717 = 1,111,248

This can also be written as 24 x 32 x 7,7171 = 1,111,248

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


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