Mathematician:Hans Ivar Riesel

Swedish mathematician who found the 18th Mersenne prime $2^{3217} - 1$ in 1957.

He held the record for the highest known prime from 1957 to 1961, when Alexander Hurwitz found the next two.

Nationality
Swedish

History

 * Born: 1929, Stockholm, Sweden

Theorems and Definitions

 * Riesel Number

Books, Publications, etc.

 * 1994: Prime Numbers and Computer Methods for Factorization