1 174 673 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
163577913943	12	37.3	old
941247967573609	15	49.7	2008-09-30 13:29:44
16265321619574734503	20	63.8	2017-05-17 11:17:59
191556265370379787993	21	67.4	2014-12-29 00:52:21
2212852649599674860593	22	70.9	2014-12-29 00:52:22
2695600505738971546967	22	71.2	2017-09-29 10:34:14
2843817308561912888911	22	71.3	2017-09-29 10:34:14

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-28	alpertron	634FBAD29E49EFB5	5	0	1	3
Verified	2017-10-05	Oliver Kruse	05D5C92B94A8FC6A	7	0	1	3
Verified	2017-10-17	Oliver Kruse	05D5C92B94A8FC6A	7	1009007	1	3
Verified	2018-01-07	ATH	05D5C92B94A8FC6A	7	733450	1	3

P-1 factors

Date	Factor	B1	B2
2014-12-29	191556265370379787993	300000	10000000
2014-12-29	2212852649599674860593	300000	10000000

History

Date	User	Type	Result
2022-12-21	LordJulius	NF	no factor from 2^66 to 2^67
2022-12-21	LordJulius	NF	no factor from 2^65 to 2^66
2022-12-21	LordJulius	NF	no factor from 2^64 to 2^65
2022-04-12	LordJulius	NF	no factor from 2^62 to 2^63
2022-04-12	LordJulius	NF	no factor from 2^61 to 2^62
2022-03-25	nordi	NF-PM1	B1=1000000000, B2=25052014137150
2022-02-06	nordi	NF-PM1	B1=1000000000
2018-01-07	ATH	C-PRP	M1174673/163577913943/941247967573609/16265321619574734503/191556265370379787993/2212852649599674860593/2695600505738971546967/2843817308561912888911 : 05D5C92B94A8FC6A PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1174673/163577913943/941247967573609/191556265370379787993/2212852649599674860593/16265321619574734503/2695600505738971546967/2843817308561912888911 : 05D5C92B94A8FC6A PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M1174673/163577913943/941247967573609/191556265370379787993/2212852649599674860593/16265321619574734503/2695600505738971546967/2843817308561912888911 : 05D5C92B94A8FC6A PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1174673/163577913943/941247967573609/191556265370379787993/2212852649599674860593/16265321619574734503/2695600505738971546967/2843817308561912888911 : 05D5C92B94A8FC6A PRP without proof (not generated)
2017-09-29	TJAOI	F-ECM	Factor: 2843817308561912888911 / (ECM curve 1, B1=50000, B2=5000000)
2017-09-29	TJAOI	F-ECM	Factor: 2695600505738971546967 / (ECM curve 13, B1=50000, B2=5000000)
2017-09-28	alpertron	C-PRP	M1174673/16265321619574734503/163577913943/191556265370379787993/2212852649599674860593/941247967573609 : 634FBAD29E49EFB5 PRP: Verified PRP without proof (not generated)
2017-05-17	TJAOI	F	Factor: 16265321619574734503 / TF: 63-64
2014-12-29	alpertron	F-PM1	Factor: 423885789372263356728066656333167170259849 / (P-1, B1=300000, B2=10000000, E=12)
2008-09-30	markr	F	Factor: 941247967573609