Q: What are the prime factors of the number 11,086,240?

 A: 2, 5, 11, 6299

Why are those the prime factors of the number 11,086,240?

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 11,086,240

11,086,240
Factor Arrows
25,543,120
Factor Arrows
22,771,560
Factor Arrows
21,385,780
Factor Arrows
2692,890
Factor Arrows
2346,445
Factor Arrows
569,289
Factor Arrows
116,299

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, 5, 11, 6299

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 11 x 6,299 = 11,086,240

This can also be written as 25 x 51 x 111 x 6,2991 = 11,086,240

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


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