1979

This number is a prime.

+ In 1979, the young college student Curt Noll (now Landon Curt Noll) discovered the 26th Mersenne Prime: 223209-1. [Caldwell]

+ The last emirp year for over a thousand years. [Young]

+ Margaret Thatcher was chosen to become Britain's first female prime minister on 5/3/1979, which was a prime month, prime day, and emirp year. [Green]

+ The smallest prime that remains prime for D = 0 to 3 in 1D9D7D9, producing the following four primes: 1090709, 1191719, 1292729, 1393739. [Rivera]

(There are 7 curios for this number that have not yet been approved by an editor.)

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