The twentieth Fermat number is composite

Author(s)

Jeff Young
Duncan A. Buell, University of South Carolina - ColumbiaFollow

Document Type

Article

Abstract

The twentieth Fermat number, F₂₀ = 2^{2^20} +1, has been proven composite by machine computation.

Publication Info

Published in Mathematics of Computation, Volume 50, Issue 181, 1988, pages 261-263.

Rights

Young, J. and Buell, D.A. (1988). The twentieth Fermat number is composite. Mathematics of Computation, 50(181), 261-263.

First published in Mathematics of Computation in 1988, published by the American Mathematical Society.

Copyright ©1988 American Mathematical Society.