Q: What are the prime factors of the number 25,255,233?

 A: 3, 43, 2417

Why are those the prime factors of the number 25,255,233?

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 25,255,233

25,255,233
Factor Arrows
38,418,411
Factor Arrows
32,806,137
Factor Arrows
3935,379
Factor Arrows
3311,793
Factor Arrows
3103,931
Factor Arrows
432,417

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, 43, 2417

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 43 x 2,417 = 25,255,233

This can also be written as 35 x 431 x 2,4171 = 25,255,233

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


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