26 408 801 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

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Details

Factored

Factor	Digits	Bits	Date
157810153767532520921	21	67.1	2011-11-17 00:16:15

Status	Date	User	Residue	Shift
Verified (Factored)	2005-02-18	IES R.Dieste-I.Larrosa	4F3C27C3E759A4E8	15172309
Verified (Factored)	2011-04-09	-Anonymous-	E170BAEC9C0A06AE	25087393

History

Date	User	Type	Result
2011-11-17	Carsten Kossendey	F	Factor: 157810153767532520921
2011-11-17	Carsten Kossendey	NF	no factor from 2^67 to 2^71
2011-04-09	-Anonymous-	C-LL	E170BAEC9C0A06AE

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