Do Not Use a Calculator: Divisibility By 4

Number Theory Level 1

Is 123456789101112 123456789101112 divisible by 4 4 ?

Yes Can't Say I Don't Know No

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Victor Paes Plinio by Victor Paes Plinio , 21, Brazil

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1 solution

Aman Gautam
Oct 15, 2014

Whole numbers are divisible by 4 if the number formed by the last two individual digits is evenly divisible by 4.

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