Q: What are the prime factors of the number 25,705,968?

 A: 2, 3, 79, 6779

Why are those the prime factors of the number 25,705,968?

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 25,705,968

25,705,968
Factor Arrows
212,852,984
Factor Arrows
26,426,492
Factor Arrows
23,213,246
Factor Arrows
21,606,623
Factor Arrows
3535,541
Factor Arrows
796,779

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, 79, 6779

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 79 x 6,779 = 25,705,968

This can also be written as 24 x 31 x 791 x 6,7791 = 25,705,968

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


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