Q: What are the prime factors of the number 23,541,648?

 A: 2, 3, 13, 31, 1217

Why are those the prime factors of the number 23,541,648?

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 23,541,648

23,541,648
Factor Arrows
211,770,824
Factor Arrows
25,885,412
Factor Arrows
22,942,706
Factor Arrows
21,471,353
Factor Arrows
3490,451
Factor Arrows
1337,727
Factor Arrows
311,217

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, 13, 31, 1217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 31 x 1,217 = 23,541,648

This can also be written as 24 x 31 x 131 x 311 x 1,2171 = 23,541,648

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


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