Q: What are the prime factors of the number 16,265,016?

 A: 2, 3, 257, 293

Why are those the prime factors of the number 16,265,016?

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 16,265,016

16,265,016
Factor Arrows
28,132,508
Factor Arrows
24,066,254
Factor Arrows
22,033,127
Factor Arrows
3677,709
Factor Arrows
3225,903
Factor Arrows
375,301
Factor Arrows
257293

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, 257, 293

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 257 x 293 = 16,265,016

This can also be written as 23 x 33 x 2571 x 2931 = 16,265,016

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


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