100 144 523 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with PRP test

TF

No factors below 2⁷⁶

TF target 2⁷⁶

P-1

B1 =	820000
B2 =	15580000

Status	Date	User	Residue	Shift	Type	Base
Verified	2020-10-01	Ben Delo	AEEEFC2CAC07D0DC	59716683	1	3

History

Date	User	Type	Result
2020-10-02	George Woltman	CERT	PRP Certification CERT proof power = 8 Proof certified good
2020-10-01	Ben Delo	C-PRP	AEEEFC2CAC07D0DC PRP proof power = 8 PRP: Verified Proof certified good
2020-09-17	arnaud	NF-PM1	B1=820000, B2=15580000
2020-02-13	Kriesel	NF	no factor from 2^75 to 2^76
2020-02-13	Kriesel	NF	no factor from 2^74 to 2^75
2020-02-13	Kriesel	NF	no factor from 2^73 to 2^74
2020-02-13	Kriesel	NF	no factor from 2^72 to 2^73
2015-04-15	webbert	NF	no factor from 2^71 to 2^72
2011-04-17	Craig Meyers	NF	no factor from 2^70 to 2^71
2011-04-17	Craig Meyers	NF	no factor from 2^69 to 2^70
2011-04-04	Craig Meyers	NF	no factor from 2^68 to 2^69
2011-04-04	Craig Meyers	NF	no factor from 2^67 to 2^68
2011-02-26	Craig Meyers	NF	no factor from 2^66 to 2^67
2011-02-03	Craig Meyers	NF	no factor from 2^65 to 2^66
2010-08-09	subgenius	NF	no factor from 2^64 to 2^65