Q: What are the prime factors of the number 13,441,664?

 A: 2, 19, 5527

Why are those the prime factors of the number 13,441,664?

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 13,441,664

13,441,664
Factor Arrows
26,720,832
Factor Arrows
23,360,416
Factor Arrows
21,680,208
Factor Arrows
2840,104
Factor Arrows
2420,052
Factor Arrows
2210,026
Factor Arrows
2105,013
Factor Arrows
195,527

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, 19, 5527

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 2 x 19 x 5,527 = 13,441,664

This can also be written as 27 x 191 x 5,5271 = 13,441,664

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


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