Q: What are the prime factors of the number 25,314,672?

 A: 2, 3, 97, 5437

Why are those the prime factors of the number 25,314,672?

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 25,314,672

25,314,672
Factor Arrows
212,657,336
Factor Arrows
26,328,668
Factor Arrows
23,164,334
Factor Arrows
21,582,167
Factor Arrows
3527,389
Factor Arrows
975,437

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, 97, 5437

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 97 x 5,437 = 25,314,672

This can also be written as 24 x 31 x 971 x 5,4371 = 25,314,672

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


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