Q: What are the prime factors of the number 23,460,768?

 A: 2, 3, 29, 53

Why are those the prime factors of the number 23,460,768?

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 23,460,768

23,460,768
Factor Arrows
211,730,384
Factor Arrows
25,865,192
Factor Arrows
22,932,596
Factor Arrows
21,466,298
Factor Arrows
2733,149
Factor Arrows
3244,383
Factor Arrows
381,461
Factor Arrows
292,809
Factor Arrows
5353

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, 29, 53

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 3 x 29 x 53 x 53 = 23,460,768

This can also be written as 25 x 32 x 291 x 532 = 23,460,768

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


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