48 074 977 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷³

TF target 2⁷²

P-1

B1 =	760000
B2 =	760000

Status	Date	User	Residue	Shift	Software
Bad	2009-03-26	-anonymous-	E0DFCB48854ECC5D	3779338	Windows,Prime95,v25.7,build 3
Verified	2015-09-23	MadPoo 🙂	F830119DA0FF8A2E	9372634	Windows 64-bit,Prime95,v26,(aka We4)
Verified	2016-08-22	AirSquirrels	F830119DA0FF8A2E	0	clLucas v1.04

History

Date	User	Type	Result
2024-08-18	Jarod McClintock	NF	no factor TF: 69-70
2017-12-16	Sid & Andy	NF	no factor TF: 72-73
2016-08-22	AirSquirrels	C-LL	F830119DA0FF8A2E
2015-10-01	Bruno Victal	NF	no factor TF: 71-72
2015-09-23	MadPoo 🙂	C-LL	F830119DA0FF8A2E
2015-06-22	Mark Rose	NF	no factor TF: 70-71
2015-06-21	Architects Cubed	NF	no factor TF: 69-70
2009-03-26	-anonymous-	C-LL	E0DFCB48854ECC5D
2008-12-04	-anonymous-	NF-PM1	B1=760000
2008-04-24	precius1	NF	no factor TF: 1-69
2003-10-08	Thomas Mullen	NF	no factor TF: 1-60
2003-06-09	Thomas Mullen	NF	no factor TF: 1-59