To learn about Mersenne primes, visit GIMPS or MathWorld.
The 44th Mersenne prime M32582657 is a 9808358-digit number. (4.32M)
The 43rd Mersenne prime M30402457 is a 9152052-digit number. (4.03M)
The 42nd Mersenne prime M25964951 is a 7816230-digit number. (3.44M)
The 41st Mersenne prime M24036583 is a 7235733-digit number. (3.19M)
The 40th Mersenne prime M20996011 is a 6320430-digit number. (2.79M)
The 39th Mersenne prime M13466917 is a 4053946-digit number. (1.80M)
The 38th Mersenne prime M6972593 is a 2098960-digit number. (969K)
The 37th Mersenne prime M3021377 is a 909526-digit number. (435K)
The 36th Mersenne prime M2976221 is a 895932-digit number. (429K)
The 35th Mersenne prime M1398269 is a 420921-digit number. (216K)
The 34th Mersenne prime M1257787 is a 378632-digit number. (197K)
The 33rd Mersenne prime M859433 is a 258716-digit number. (144K)
The 32nd Mersenne prime M756839 is a 227832-digit number. (130K)
The 31st Mersenne prime M216091 is a 65050-digit number.
The 30th Mersenne prime M132049 is a 39751-digit number.
The 29th Mersenne prime M110503 is a 33265-digit number.
The 28th Mersenne prime M86243 is a 25962-digit number.
The 27th Mersenne prime M44497 is a 13395-digit number.
The 26th Mersenne prime M23209 is a 6987-digit number.
The 25th Mersenne prime M21701 is a 6533-digit number.
The 24th Mersenne prime M19937 is a 6002-digit number.
The 23rd Mersenne prime M11213 is a 3376-digit number.
The 22nd Mersenne prime M9941 is a 2993-digit number.
The 21st Mersenne prime M9689 is a 2917-digit number.
The 20th Mersenne prime M4423 is a 1332-digit number.
The 19th Mersenne prime M4253 is a 1281-digit number.
The 18th Mersenne prime M3217 is a 969-digit number.
The 17th Mersenne prime M2281 is a 687-digit number.
The 16th Mersenne prime M2203 is a 664-digit number.
The 15th Mersenne prime M1279 is a 386-digit number.
The 14th Mersenne prime M607 is a 183-digit number.
The 13th Mersenne prime M521 is a 157-digit number.
The 12th Mersenne prime M127 is a 39-digit number.
The 11th Mersenne prime M107 is a 33-digit number.
The 10th Mersenne prime M89 is a 27-digit number.
The 9th Mersenne prime M61 is a 19-digit number.
The 8th Mersenne prime M31 is a 10-digit number.
The 7th Mersenne prime M19 is a 6-digit number.
The 6th Mersenne prime M17 is a 6-digit number.
The 5th Mersenne prime M13 = 8191 is a 4-digit number.
The 4th Mersenne prime M7 = 127 is a 3-digit number.
The 3rd Mersenne prime M5 = 31 is a 2-digit number.
The 2nd Mersenne prime M3 = 7 is a 1-digit number.
The 1st Mersenne prime M2 = 3 is a 1-digit number.