Q: What are the prime factors of the number 23,010,340?

 A: 2, 5, 29, 97, 409

Why are those the prime factors of the number 23,010,340?

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 23,010,340

23,010,340
Factor Arrows
211,505,170
Factor Arrows
25,752,585
Factor Arrows
51,150,517
Factor Arrows
2939,673
Factor Arrows
97409

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, 5, 29, 97, 409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 29 x 97 x 409 = 23,010,340

This can also be written as 22 x 51 x 291 x 971 x 4091 = 23,010,340

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


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