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Erdős problem 203

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Is there an integer mm with (m,6)=1(m, 6) = 1 such that none of 2k⋅3ℓ⋅m+12^k \cdot 3^\ell \cdot m + 1 are prime, for any k,ℓ≥0k, \ell \ge 0?

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  7. The questionNot reached
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Primes61Covering Systems22
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