10 107 473 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 2⁷³

TF target 2⁶⁸

P-1

B1 =	2000000
B2 =	2600066700

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

Status	Date	User	Residue	Shift
Bad	2000-05-17	Rommel C. Zulueta	BB862495A341E10C	139739
Verified	2004-06-12	Rick Cummings	CBAFE57BC99B336B	1599220
Verified	2004-08-20	Daniel Swanson	CBAFE57BC99B336B	3097996

History

Date	User	Type	Result
2024-02-22	Sid & Andy	NF-PM1	B1=2000000, B2=2600066700
2021-05-05	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-05-03	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-05-03	-Anonymous-	NF	no factor from 2^70 to 2^71
2020-11-04	Dylan Delgado	NF-PM1	B1=400000, B2=11000000, e=12
2020-09-14	storm5510	NF-PM1	B1=271000, B2=7300000, E=6
2020-07-03	ViliamF	NF	no factor from 2^69 to 2^70
2017-10-09	ramgeis	NF	no factor from 2^68 to 2^69
2017-09-25	-Anonymous-	NF	no factor from 2^67 to 2^68
2015-11-14	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-04-22	Tha	NF	no factor from 2^65 to 2^66
2013-04-26	Nesowa	NF-PM1	B1=115000, B2=1983750, E=6
2011-09-26	David Campeau	NF	no factor from 2^64 to 2^65