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2015 digits (Posted on 2014-09-04) Difficulty: 2 of 5
A string of 2015 digits starts with a "4". Any number formed by two consecutive digits is divisible by either 19 or 23.

What is the last digit in this sequence?

What if the sequence had 2016 digits?

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionsolutionCharlie2014-09-04 11:22:35
solutionAdy TZIDON2014-09-04 10:18:02
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