six unquinquagintillion,
eight hundred sixty four quinquagintillion,
seven hundred ninety seven novemquadragintillion,
six hundred sixty octoquadragintillion,
one hundred thirty septenquadragintillion,
six hundred nine sexquadragintillion,
seven hundred fourteen quinquadragintillion,
nine hundred eighty one quattuorquadragintillion,
nine hundred trequadragintillion,
seven hundred ninety nine doquadragintillion,
eighty one unquadragintillion,
three hundred ninety three quadragintillion,
two hundred seventeen novemtrigintillion,
two hundred sixty nine octotrigintillion,
four hundred thirty five septentrigintillion,
three hundred sextrigintillion,
one hundred forty three quintrigintillion,
three hundred five quattuortrigintillion,
four hundred nine tretrigintillion,
three hundred ninety four dotrigintillion,
four hundred sixty three untrigintillion,
four hundred fifty nine trigintillion,
one hundred eighty five novemvigintillion,
five hundred forty three octovigintillion,
one hundred eighty three septenvigintillion,
three hundred ninety seven sexvigintillion,
six hundred fifty six quinvigintillion,
fifty two quattuorvigintillion,
one hundred twenty two trevigintillion,
five hundred fifty nine dovigintillion,
six hundred forty unvigintillion,
six hundred sixty one vigintillion,
four hundred fifty four novemdecillion,
five hundred fifty four octodecillion,
nine hundred seventy seven septendecillion,
two hundred ninety six sexdecillion,
three hundred eleven quindecillion,
three hundred ninety one quattuordecillion,
four hundred eighty tredecillion,
eight hundred fifty eight dodecillion,
thirty seven undecillion,
one hundred twenty one decillion,
nine hundred eighty seven nonillion,
nine hundred ninety nine octillion,
seven hundred sixteen septillion,
six hundred forty three sextillion,
eight hundred twelve quintillion,
five hundred seventy four quadrillion,
twenty eight trillion,
two hundred ninety one billion,
one hundred fifteen million,
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?