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

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?