The book is now available! 43
(just those submitted by Firoozbakht)
Prime Curios!

Valid HTML 4.01!

Curios: Curios Search:
 

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

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

+ 43 = 4*prime(4) + 3*prime(3). Note that 43 is the earliest number with this property. There are only two such numbers and both are primes. [Firoozbakht]

+ 4^4 - 3^3 is a prime with length pi(pi(pi(43))). Note there is only one prime (43) and one composite number with this property. [Firoozbakht]

(There is one curio for this number that has not yet been approved by an editor.)




Prime Curios! © 2000-2019 (all rights reserved)  privacy statement   (This page was generated in 0.0133 seconds.)