Difference between revisions of "2018 AMC 10B Problems/Problem 21"
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Revision as of 15:15, 16 February 2018
Mary chose an even -digit number
. She wrote down all the divisors of
in increasing order from left to right:
. At some moment Mary wrote
as a divisor of
. What is the smallest possible value of the next divisor written to the right of
.