Q: What are the prime factors of the number 20,525,216?

 A: 2, 641413

Why are those the prime factors of the number 20,525,216?

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 20,525,216

20,525,216
Factor Arrows
210,262,608
Factor Arrows
25,131,304
Factor Arrows
22,565,652
Factor Arrows
21,282,826
Factor Arrows
2641,413

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, 641413

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 641,413 = 20,525,216

This can also be written as 25 x 641,4131 = 20,525,216

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


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