Q: What are the prime factors of the number 11,132,688?

 A: 2, 3, 7, 17, 1949

Why are those the prime factors of the number 11,132,688?

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 11,132,688

11,132,688
Factor Arrows
25,566,344
Factor Arrows
22,783,172
Factor Arrows
21,391,586
Factor Arrows
2695,793
Factor Arrows
3231,931
Factor Arrows
733,133
Factor Arrows
171,949

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, 7, 17, 1949

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 17 x 1,949 = 11,132,688

This can also be written as 24 x 31 x 71 x 171 x 1,9491 = 11,132,688

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


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