104 740 739 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 =	862000
B2 =	51176000

Status	Date	User	Residue	Shift	Type	Base
Verified	2021-07-05	Ben Delo	36E34357197B7E03	72954143	1	3

History

Date	User	Type	Result
2021-07-06	Chuck	CERT	PRP Certification CERT proof power = 8 Proof certified good
2021-07-05	Ben Delo	C-PRP	36E34357197B7E03 PRP proof power = 8 PRP: Verified Proof certified good
2021-07-04	Ben Delo	NF-PM1	B1=862000, B2=51176000
2021-03-28	TheJudger	NF	no factor from 2^75 to 2^76
2021-03-28	TheJudger	NF	no factor from 2^74 to 2^75
2020-04-03	SRBase	NF	no factor from 2^73 to 2^74
2020-02-24	el grocco	NF	no factor from 2^72 to 2^73
2015-01-09	shauge	NF	no factor from 2^71 to 2^72
2014-10-30	SMoffat	NF	no factor from 2^70 to 2^71
2014-10-24	SMoffat	NF	no factor from 2^69 to 2^70
2014-10-21	SMoffat	NF	no factor from 2^68 to 2^69
2014-10-17	SMoffat	NF	no factor from 2^67 to 2^68
2014-10-14	SMoffat	NF	no factor from 2^66 to 2^67
2012-05-07	sasaki3	NF	no factor from 2^65 to 2^66
2010-08-28	Torchwood Institute	NF	no factor from 2^64 to 2^65
2010-04-19	James Heinrich	NF	no factor from 2^63 to 2^64