Q: What are the prime factors of the number 24,728,268?

 A: 2, 3, 17, 43, 2819

Why are those the prime factors of the number 24,728,268?

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 24,728,268

24,728,268
Factor Arrows
212,364,134
Factor Arrows
26,182,067
Factor Arrows
32,060,689
Factor Arrows
17121,217
Factor Arrows
432,819

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, 17, 43, 2819

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 17 x 43 x 2,819 = 24,728,268

This can also be written as 22 x 31 x 171 x 431 x 2,8191 = 24,728,268

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


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