6 007 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁶⁶

TF target 2⁴⁴

TF below 2^198 is very unlikely to find new factors due to ECM effort.

P-1

B1 =	41000000000
B2 =	167114967216697500

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	16550 / 16550
55	110000000	40830 / 40830
60	260000000	105362 / 105362
65	800000000	38881 / 194238

Estimated T-Level: 61.0 ⓘ

Status	Date	User	Residue	Shift
Verified		Unknown	0FC7	0
Verified		George Woltman	00996FC934748FC7	0
Verified		Brian J. Beesley	00996FC934748FC7	0
Verified	2015-04-11	MadPoo	00996FC934748FC7	4765

History

Date	User	Type	Result
2023-08-16	masser	NF-PP1	Start=6/5, B1=1460000000, B2=261340000000
2023-07-26	-Anonymous-	NF-PM1	B1=41000000000, B2=167114967216697500
2023-07-12	masser	NF-PM1	B1=72000000000, B2=87114514848160800
2023-07-10	masser	NF-PP1	Start=130/11, B1=1460000000, B2=58400000000
2022-02-28	Anton Repko	NF	no factor from 2^64 to 2^66
2021-05-13	ATH	NF-PP1	Start=2/7, B1=1000000000, B2=241000000000
2021-02-01	Ruslan Borisov	NF	no factor from 2^64 to 2^65
2017-09-14	snme2pm1	NF	no factor from 2^63 to 2^64
2016-12-02	-Anonymous-	NF-PM1	B1=100000000000, B2=1000000000000, E=12
2016-10-20	snme2pm1	NF	no factor from 2^62 to 2^63
2016-02-23	LaurV	NF	no factor from 2^57 to 2^58
2015-07-10	Sid & Andy	NF	no factor from 2^61 to 2^62
2015-05-20	MadPoo	NF-PM1	B1=100000000000
2015-04-11	MadPoo	C-LL	00996FC934748FC7
2012-10-11	bcp19	NF	no factor from 2^60 to 2^61
2011-05-13	Joss	NF-PM1	B1=10000000000
2010-11-21	monst	NF	no factor from 2^59 to 2^60
2010-11-19	monst	NF	no factor from 2^58 to 2^59