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Vincen
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Let \(S\) be the set of all positive integers having at most \(4\) digits and such that each of the digits is \(0\) or \(1.\) What is the greatest prime factor of the sum of all the numbers in \(S?\)
A. 11
B. 19
C. 37
D. 59
E. 101
Answer: E
Source: Official Guide
A. 11
B. 19
C. 37
D. 59
E. 101
Answer: E
Source: Official Guide












