A number N divides each of 17 and 30 with the same remainder in each case . What is the largest vlue N can have?

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- October 7th 2008, 08:34 PMfecoupefemath question with integers
A number N divides each of 17 and 30 with the same remainder in each case . What is the largest vlue N can have?

- October 7th 2008, 08:37 PMicemanfan
The answer is 13. You only have to check numbers starting from 17 counting down until you find one that works.

- October 7th 2008, 08:38 PMfecoupefe
thank you!