Q: What are the prime factors of the number 11,333,312?

 A: 2, 61, 2903

Why are those the prime factors of the number 11,333,312?

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 11,333,312

11,333,312
Factor Arrows
25,666,656
Factor Arrows
22,833,328
Factor Arrows
21,416,664
Factor Arrows
2708,332
Factor Arrows
2354,166
Factor Arrows
2177,083
Factor Arrows
612,903

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, 61, 2903

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 61 x 2,903 = 11,333,312

This can also be written as 26 x 611 x 2,9031 = 11,333,312

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


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