100 451 383 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime

TF

No factors below 2⁷⁷

TF target 2⁷⁶

P-1

B1 =	724000
B2 =	21770000

Status	Date	User	Residue	Shift	Type	Base
Unverified (Reliable)	2020-11-03	Ge yong	9537F61B656ACE__	73985808	1	3

History

Date	User	Type	Result
2025-08-01	Jurzal	NF	no factor from 2^76 to 2^77
2020-11-03	Ge yong	C-PRP	9537F61B656ACE__ PRP: Unverified (Reliable) PRP without proof (not generated)
2020-10-21	Filen	NF-PM1	B1=724000, B2=21770000, E=12
2020-08-28	Bill Staffen	NF	no factor from 2^75 to 2^76
2020-08-27	William F. Garnett III	NF	no factor from 2^74 to 2^75
2020-03-15	JoDu	NF	no factor from 2^73 to 2^74
2020-03-15	JoDu	NF	no factor from 2^72 to 2^73
2017-03-13	mikr	NF	no factor from 2^71 to 2^72
2014-12-13	shauge	NF	no factor from 2^70 to 2^71
2014-12-13	shauge	NF	no factor from 2^69 to 2^70
2014-05-22	SMoffat	NF	no factor from 2^68 to 2^69
2013-10-27	-Anonymous-	NF	no factor from 2^67 to 2^68
2011-03-18	Craig Meyers	NF	no factor from 2^66 to 2^67
2011-02-14	Craig Meyers	NF	no factor from 2^65 to 2^66
2010-08-10	Richard	NF	no factor from 2^64 to 2^65
2010-01-19	1997rj7	NF	no factor from 2^63 to 2^64