Q: What are the prime factors of the number 23,313,480?

 A: 2, 3, 5, 173, 1123

Why are those the prime factors of the number 23,313,480?

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 23,313,480

23,313,480
Factor Arrows
211,656,740
Factor Arrows
25,828,370
Factor Arrows
22,914,185
Factor Arrows
3971,395
Factor Arrows
5194,279
Factor Arrows
1731,123

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, 5, 173, 1123

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 173 x 1,123 = 23,313,480

This can also be written as 23 x 31 x 51 x 1731 x 1,1231 = 23,313,480

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


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