The book is now available! 73
(just those submitted by Gaydos)
Prime Curios!
Curios: Curios Search:

GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

Just showing those entries submitted by 'Gaydos': (Click here to show all)

+ 73 is the highest prime factor for 4273 of the first million composite numbers. 83 takes second place, being the highest prime factor for 4213 of the first million. 79 is third at 4211. [Gaydos]

+ Probably the smallest positive integer whose second and higher powers each contains at least one 9. [Gaydos]

(There are 3 curios for this number that have not yet been approved by an editor.)

Prime Curios! © 2000-2019 (all rights reserved)  privacy statement