Q: What are the prime factors of the number 345,311,064?

 A: 2, 3, 7, 685141

Why are those the prime factors of the number 345,311,064?

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 345,311,064

345,311,064
Factor Arrows
2172,655,532
Factor Arrows
286,327,766
Factor Arrows
243,163,883
Factor Arrows
314,387,961
Factor Arrows
34,795,987
Factor Arrows
7685,141

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, 3, 7, 685141

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 685,141 = 345,311,064

This can also be written as 23 x 32 x 71 x 685,1411 = 345,311,064

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


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