Riesel

Riesel may refer to:

People

• Hans Riesel (1929–2014), Swedish mathematician who discovered a Mersenne prime
• Victor Riesel (1913–1995), American labor union journalist

In Mathematics

• Riesel number, an odd natural number k for which the integers of the form k·2ⁿ−1 are all composite
• Riesel Sieve, a project to prove the smallest Riesel number

Places

• Riesel, Texas
• Riesel, the German name for the French city of Lille, also Rijsel in Dutch.

__DISAMBIG__