Q: What are the prime factors of the number 340,405,351?

 A: 11, 13, 73, 32609

Why are those the prime factors of the number 340,405,351?

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 340,405,351

340,405,351
Factor Arrows
1130,945,941
Factor Arrows
132,380,457
Factor Arrows
7332,609

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:

11, 13, 73, 32609

We can check our work by multiplying all of the prime factors together: 11 x 13 x 73 x 32,609 = 340,405,351

This can also be written as 111 x 131 x 731 x 32,6091 = 340,405,351

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


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