Q: What are the prime factors of the number 25,042,448?

 A: 2, 1565153

Why are those the prime factors of the number 25,042,448?

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 25,042,448

25,042,448
Factor Arrows
212,521,224
Factor Arrows
26,260,612
Factor Arrows
23,130,306
Factor Arrows
21,565,153

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, 1565153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 1,565,153 = 25,042,448

This can also be written as 24 x 1,565,1531 = 25,042,448

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


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