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AMC12B #15/10B #17

Source: 2022 AMC 10B #17 / 2022 AMC 12B #15

November 17, 2022
AMCAMC 122022 AMC 10B2022 AMC 12B2022 AMCAMC 10

Problem Statement

One of the following numbers is not divisible by any prime number less than 10. Which is it? (A) 2606−1  2^{606} - 1 \ \ (B) 2606+1  2^{606} + 1 \ \ (C) 2607−1  2^{607} - 1 \ \ (D) 2607+1  2^{607} + 1 \ \ (E) 2607+3607  2^{607} + 3^{607} \ \
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