Q: What are the prime factors of the number 25,114,624?

 A: 2, 12263

Why are those the prime factors of the number 25,114,624?

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 25,114,624

25,114,624
Factor Arrows
212,557,312
Factor Arrows
26,278,656
Factor Arrows
23,139,328
Factor Arrows
21,569,664
Factor Arrows
2784,832
Factor Arrows
2392,416
Factor Arrows
2196,208
Factor Arrows
298,104
Factor Arrows
249,052
Factor Arrows
224,526
Factor Arrows
212,263

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, 12263

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 12,263 = 25,114,624

This can also be written as 211 x 12,2631 = 25,114,624

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


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