Q: What are the prime factors of the number 345,800,871?

 A: 3, 13, 101, 2251

Why are those the prime factors of the number 345,800,871?

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 345,800,871

345,800,871
Factor Arrows
3115,266,957
Factor Arrows
338,422,319
Factor Arrows
132,955,563
Factor Arrows
13227,351
Factor Arrows
1012,251

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, 13, 101, 2251

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 13 x 101 x 2,251 = 345,800,871

This can also be written as 32 x 132 x 1011 x 2,2511 = 345,800,871

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


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