Q: What are the prime factors of the number 25,758,612?

 A: 2, 3, 11, 29, 2243

Why are those the prime factors of the number 25,758,612?

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 25,758,612

25,758,612
Factor Arrows
212,879,306
Factor Arrows
26,439,653
Factor Arrows
32,146,551
Factor Arrows
3715,517
Factor Arrows
1165,047
Factor Arrows
292,243

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, 11, 29, 2243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 29 x 2,243 = 25,758,612

This can also be written as 22 x 32 x 111 x 291 x 2,2431 = 25,758,612

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


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