Q: What are the prime factors of the number 347,206,743?

 A: 3, 13, 257, 1283

Why are those the prime factors of the number 347,206,743?

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 347,206,743

347,206,743
Factor Arrows
3115,735,581
Factor Arrows
338,578,527
Factor Arrows
312,859,509
Factor Arrows
34,286,503
Factor Arrows
13329,731
Factor Arrows
2571,283

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, 257, 1283

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 13 x 257 x 1,283 = 347,206,743

This can also be written as 34 x 131 x 2571 x 1,2831 = 347,206,743

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


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