Q: What are the prime factors of the number 345,240,045?

 A: 3, 5, 563, 13627

Why are those the prime factors of the number 345,240,045?

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 345,240,045

345,240,045
Factor Arrows
3115,080,015
Factor Arrows
338,360,005
Factor Arrows
57,672,001
Factor Arrows
56313,627

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, 5, 563, 13627

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 563 x 13,627 = 345,240,045

This can also be written as 32 x 51 x 5631 x 13,6271 = 345,240,045

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


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