Q: What are the prime factors of the number 23,203,328?

 A: 2, 45319

Why are those the prime factors of the number 23,203,328?

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 23,203,328

23,203,328
Factor Arrows
211,601,664
Factor Arrows
25,800,832
Factor Arrows
22,900,416
Factor Arrows
21,450,208
Factor Arrows
2725,104
Factor Arrows
2362,552
Factor Arrows
2181,276
Factor Arrows
290,638
Factor Arrows
245,319

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, 45319

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 45,319 = 23,203,328

This can also be written as 29 x 45,3191 = 23,203,328

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


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