Q: What are the prime factors of the number 25,064,613?

 A: 3, 7, 17, 29, 269

Why are those the prime factors of the number 25,064,613?

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 25,064,613

25,064,613
Factor Arrows
38,354,871
Factor Arrows
32,784,957
Factor Arrows
3928,319
Factor Arrows
7132,617
Factor Arrows
177,801
Factor Arrows
29269

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, 7, 17, 29, 269

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 17 x 29 x 269 = 25,064,613

This can also be written as 33 x 71 x 171 x 291 x 2691 = 25,064,613

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


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