Mathematician:Ivan Mikheevich Pervushin

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Full name in Russian: Иван Михеевич Первушин.

Russian priest, who worked in number theory in his spare time.

Most famous for demonstrating the primality of the Mersenne number $M_{61}$, which then became known as Pervushin's number.

Proved the following:




  • Born: January 21, 1827, Lysva, Perm, Russia
  • 1852: Graduated from Kazan clerical academy, and became a priest in Zamaraevo.
  • 1883: Moved to Shadrinsk, where he wrote a paper ridiculing the local government.
  • 1887: Exiled to Mehonskoe as a result.
  • Died: June 29, 1900, Mehonskoe, Russia

Theorems and Definitions

Definitions of concepts named for Ivan Mikheevich Pervushin can be found here.

Books and Papers