Q: What are the prime factors of the number 901,664?

 A: 2, 19, 1483

Why are those the prime factors of the number 901,664?

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 901,664

901,664
Factor Arrows
2450,832
Factor Arrows
2225,416
Factor Arrows
2112,708
Factor Arrows
256,354
Factor Arrows
228,177
Factor Arrows
191,483

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, 1483

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 1,483 = 901,664

This can also be written as 25 x 191 x 1,4831 = 901,664

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


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