Q: What are the prime factors of the number 345,262,214?

 A: 2, 11, 17, 199, 4639

Why are those the prime factors of the number 345,262,214?

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 345,262,214

345,262,214
Factor Arrows
2172,631,107
Factor Arrows
1115,693,737
Factor Arrows
17923,161
Factor Arrows
1994,639

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, 11, 17, 199, 4639

We can check our work by multiplying all of the prime factors together: 2 x 11 x 17 x 199 x 4,639 = 345,262,214

This can also be written as 21 x 111 x 171 x 1991 x 4,6391 = 345,262,214

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


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