Q: What are the prime factors of the number 25,332,453?

 A: 3, 19, 23, 113

Why are those the prime factors of the number 25,332,453?

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 25,332,453

25,332,453
Factor Arrows
38,444,151
Factor Arrows
32,814,717
Factor Arrows
3938,239
Factor Arrows
1949,381
Factor Arrows
192,599
Factor Arrows
23113

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:

3, 19, 23, 113

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 19 x 19 x 23 x 113 = 25,332,453

This can also be written as 33 x 192 x 231 x 1131 = 25,332,453

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


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