Q: What are the prime factors of the number 345,111,232?

 A: 2, 223, 24181

Why are those the prime factors of the number 345,111,232?

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 345,111,232

345,111,232
Factor Arrows
2172,555,616
Factor Arrows
286,277,808
Factor Arrows
243,138,904
Factor Arrows
221,569,452
Factor Arrows
210,784,726
Factor Arrows
25,392,363
Factor Arrows
22324,181

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, 223, 24181

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 223 x 24,181 = 345,111,232

This can also be written as 26 x 2231 x 24,1811 = 345,111,232

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


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