Q: What are the prime factors of the number 241,664?

 A: 2, 59

Why are those the prime factors of the number 241,664?

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 241,664

241,664
Factor Arrows
2120,832
Factor Arrows
260,416
Factor Arrows
230,208
Factor Arrows
215,104
Factor Arrows
27,552
Factor Arrows
23,776
Factor Arrows
21,888
Factor Arrows
2944
Factor Arrows
2472
Factor Arrows
2236
Factor Arrows
2118
Factor Arrows
259

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, 59

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 2 x 2 x 2 x 2 x 2 x 59 = 241,664

This can also be written as 212 x 591 = 241,664

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


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