
Glossary: Prime Pages: Top 5000: 
GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) An invertible prime is a prime which yields a different prime when the prime is inverted (turned upside down). E.g., 109 becomes 601. It must contain only the digits 0, 1, 6, 8, or 9. Charles W. Trigg (18981989) called the pair prime rotative twins.
Chris K. Caldwell © 19992019 (all rights reserved)
