Q: What are the prime factors of the number 305,615,667?

 A: 3, 7, 47, 419, 739

Why are those the prime factors of the number 305,615,667?

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 305,615,667

305,615,667
Factor Arrows
3101,871,889
Factor Arrows
714,553,127
Factor Arrows
47309,641
Factor Arrows
419739

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, 7, 47, 419, 739

We can check our work by multiplying all of the prime factors together: 3 x 7 x 47 x 419 x 739 = 305,615,667

This can also be written as 31 x 71 x 471 x 4191 x 7391 = 305,615,667

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


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