Q: What are the prime factors of the number 25,153,824?

 A: 2, 3, 59, 4441

Why are those the prime factors of the number 25,153,824?

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 25,153,824

25,153,824
Factor Arrows
212,576,912
Factor Arrows
26,288,456
Factor Arrows
23,144,228
Factor Arrows
21,572,114
Factor Arrows
2786,057
Factor Arrows
3262,019
Factor Arrows
594,441

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, 59, 4441

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 59 x 4,441 = 25,153,824

This can also be written as 25 x 31 x 591 x 4,4411 = 25,153,824

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


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