Q: What are the prime factors of the number 25,430,364?

 A: 2, 3, 23, 30713

Why are those the prime factors of the number 25,430,364?

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 25,430,364

25,430,364
Factor Arrows
212,715,182
Factor Arrows
26,357,591
Factor Arrows
32,119,197
Factor Arrows
3706,399
Factor Arrows
2330,713

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, 23, 30713

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 23 x 30,713 = 25,430,364

This can also be written as 22 x 32 x 231 x 30,7131 = 25,430,364

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


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