Q: What are the prime factors of the number 23,643,168?

 A: 2, 3, 97, 2539

Why are those the prime factors of the number 23,643,168?

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 23,643,168

23,643,168
Factor Arrows
211,821,584
Factor Arrows
25,910,792
Factor Arrows
22,955,396
Factor Arrows
21,477,698
Factor Arrows
2738,849
Factor Arrows
3246,283
Factor Arrows
972,539

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, 97, 2539

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 97 x 2,539 = 23,643,168

This can also be written as 25 x 31 x 971 x 2,5391 = 23,643,168

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


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