Q: What are the prime factors of the number 23,405,349?

 A: 3, 11, 29, 37, 661

Why are those the prime factors of the number 23,405,349?

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 23,405,349

23,405,349
Factor Arrows
37,801,783
Factor Arrows
11709,253
Factor Arrows
2924,457
Factor Arrows
37661

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:

3, 11, 29, 37, 661

We can check our work by multiplying all of the prime factors together: 3 x 11 x 29 x 37 x 661 = 23,405,349

This can also be written as 31 x 111 x 291 x 371 x 6611 = 23,405,349

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


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