six un-quinquagin-tillion,
eight hundred sixty four quinquagin-tillion,
seven hundred ninety seven novem-quadragin-tillion,
six hundred sixty octo-quadragin-tillion,
one hundred thirty septen-quadragin-tillion,
six hundred nine sex-quadragin-tillion,
seven hundred fourteen quin-quadragin-tillion,
nine hundred eighty one quattuor-quadragin-tillion,
nine hundred tre-quadragin-tillion,
seven hundred ninety nine do-quadragin-tillion,
eighty one un-quadragin-tillion,
three hundred ninety three quadragin-tillion,
two hundred seventeen novem-trigin-tillion,
two hundred sixty nine octo-trigin-tillion,
four hundred thirty five septen-trigin-tillion,
three hundred sex-trigin-tillion,
one hundred forty three quin-trigin-tillion,
three hundred five quattuor-trigin-tillion,
four hundred nine tre-trigin-tillion,
three hundred ninety four do-trigin-tillion,
four hundred sixty three un-trigin-tillion,
four hundred fifty nine trigin-tillion,
one hundred eighty five novem-vigin-tillion,
five hundred forty three octo-vigin-tillion,
one hundred eighty three septen-vigin-tillion,
three hundred ninety seven sex-vigin-tillion,
six hundred fifty six quin-vigin-tillion,
fifty two quattuor-vigin-tillion,
one hundred twenty two tre-vigin-tillion,
five hundred fifty nine do-vigin-tillion,
six hundred forty un-vigin-tillion,
six hundred sixty one vigin-tillion,
four hundred fifty four novem-dec-illion,
five hundred fifty four octo-dec-illion,
nine hundred seventy seven septen-dec-illion,
two hundred ninety six sex-dec-illion,
three hundred eleven quin-dec-illion,
three hundred ninety one quattuor-dec-illion,
four hundred eighty tre-dec-illion,
eight hundred fifty eight do-dec-illion,
thirty seven un-dec-illion,
one hundred twenty one dec-illion,
nine hundred eighty seven noni-llion,
nine hundred ninety nine octi-llion,
seven hundred sixteen septi-llion,
six hundred forty three sexti-llion,
eight hundred twelve quinti-llion,
five hundred seventy four quadri-llion,
twenty eight tri-llion,
two hundred ninety one bi-llion,
one hundred fifteen mi-llion,
fifty seven thousand,
one hundred fifty one

Some useful links

Large prime numbers

• The Largest known prime
• Known Mersenne Prime Digits and their English names
• Lists of large prime numbers

Definitions and theory

• General Mersenne prime information
• Definition of a Prime
• Definition of a Mersenne number
• Definition of a Mersenne prime
• Mersenne's conjecture
• Methods to find primes or to prove a large numbers primality
  
  
• How to find a new largest known prime - A EuroBSDcon 2013 tutorial

Searching for Mersenne primes

• Mersenne prime discovery history
• Great Internet Mersenne Prime Search
• GIMPS search status

EFF Cooperative Computing Awards

• Cooperative Computing Awards home page
• Rules of the Cooperative Computing Awards
• Rule 4F, a very importart part of the rules
• Recent News from the Cooperative Computing Awards
• Frequently Asked Questions (FAQ) of the Cooperative Computing Awards

Source code

• Calc: Computed the decimal value of this prime
• Number: Computed the English name of this prime
• GIMPS code: May be used to prove that this number was prime

Other prime links

• Dr. Caldwell's The Prime Pages
• Caldwell's article on the discovery of 2^13466917-1
• Landon Curt Noll's prime number work
• The Amdahl 6 group
• Prime Curios! (a fun site!)
• Landon Curt Noll's table of curious numbers related to primes
• English names of large numbers - How high can you count?