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Divisible by 19? (Posted on 2016-07-15)

Devise a feasible divisibility test for 19.

No Solution Yet Submitted by Ady TZIDON

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Divide the number for twenty, sum the quotient and the remainder and see if it is multiple of 19

Ex 665

665/20 =33 (+5)

33+5=38=19*2

So 665 is multiple of 19

Posted by armando on 2016-07-15 12:36:40

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