75 094 463 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 Lucas-Lehmer test

TF

No factors below 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	650000
B2 =	12675000

Status	Date	User	Residue	Shift
Verified	2015-10-04	aurashift	CBAE17BA7CB6A80F	609856
Verified	2025-03-10	Team_Inspector	CBAE17BA7CB6A80F	63244923

History

Date	User	Type	Result
2025-03-10	Team_Inspector	C-LL	CBAE17BA7CB6A80F
2015-10-04	aurashift	C-LL	CBAE17BA7CB6A80F
2015-09-06	Kevin Jaget	NF-PM1	B1=650000, B2=12675000
2015-09-01	endless_mike	NF	no factor from 2^74 to 2^75
2015-09-01	endless_mike	NF	no factor from 2^73 to 2^74
2015-09-01	endless_mike	NF	no factor from 2^72 to 2^73
2015-08-30	Judge Hale	NF	no factor from 2^71 to 2^72
2014-03-02	ANONYMOUS	NF	no factor from 2^70 to 2^71
2012-12-22	wuxiao	NF	no factor from 2^69 to 2^70
2010-08-13	-Anonymous-	NF	no factor from 2^68 to 2^69
2010-08-06	arnaud	NF	no factor from 2^67 to 2^68
2010-08-01	symallad	NF	no factor from 2^66 to 2^67
2010-07-28	Los Alcoholicos~Xaverius	NF	no factor from 2^65 to 2^66