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