Q: What are the prime factors of the number 25,734,305?

 A: 5, 71, 1021

Why are those the prime factors of the number 25,734,305?

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 25,734,305

25,734,305
Factor Arrows
55,146,861
Factor Arrows
7172,491
Factor Arrows
711,021

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:

5, 71, 1021

We can check our work by multiplying all of the prime factors together: 5 x 71 x 71 x 1,021 = 25,734,305

This can also be written as 51 x 712 x 1,0211 = 25,734,305

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


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