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(just those submitted by Firoozbakht)
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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.)

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