Q: What are the prime factors of the number 305,231,232?

 A: 2, 3, 599, 1327

Why are those the prime factors of the number 305,231,232?

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 305,231,232

305,231,232
Factor Arrows
2152,615,616
Factor Arrows
276,307,808
Factor Arrows
238,153,904
Factor Arrows
219,076,952
Factor Arrows
29,538,476
Factor Arrows
24,769,238
Factor Arrows
22,384,619
Factor Arrows
3794,873
Factor Arrows
5991,327

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, 599, 1327

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 599 x 1,327 = 305,231,232

This can also be written as 27 x 31 x 5991 x 1,3271 = 305,231,232

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


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