Q: What are the prime factors of the number 25,348,414?

 A: 2, 7, 13, 41, 43, 79

Why are those the prime factors of the number 25,348,414?

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 25,348,414

25,348,414
Factor Arrows
212,674,207
Factor Arrows
71,810,601
Factor Arrows
13139,277
Factor Arrows
413,397
Factor Arrows
4379

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, 7, 13, 41, 43, 79

We can check our work by multiplying all of the prime factors together: 2 x 7 x 13 x 41 x 43 x 79 = 25,348,414

This can also be written as 21 x 71 x 131 x 411 x 431 x 791 = 25,348,414

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


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