Q: What are the prime factors of the number 25,359,248?

 A: 2, 23, 137, 503

Why are those the prime factors of the number 25,359,248?

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 25,359,248

25,359,248
Factor Arrows
212,679,624
Factor Arrows
26,339,812
Factor Arrows
23,169,906
Factor Arrows
21,584,953
Factor Arrows
2368,911
Factor Arrows
137503

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, 23, 137, 503

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 23 x 137 x 503 = 25,359,248

This can also be written as 24 x 231 x 1371 x 5031 = 25,359,248

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


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