1 190 143 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
1156589852005851791753	22	70.0	2008-07-21 01:20:35

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	Shift
Verified (Factored)		David Slowinski	156F	0
Verified (Factored)		tom ehlert	F214AD76A168556F	0
Verified (Factored)	2002-07-27	S57483	F214AD76A168556F	196019

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-29	Oliver Kruse	D15C103B019F4E5C	1	0	1	3
Verified	2017-10-17	Oliver Kruse	D15C103B019F4E5C	1	811417	1	3
Verified	2018-01-02	ATH	D15C103B019F4E5C	1	944277	1	3

History

Date	User	Type	Result
2022-04-12	LordJulius	NF	no factor from 2^63 to 2^64
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
2022-04-12	LordJulius	NF	no factor from 2^1 to 2^61
2018-01-02	ATH	C-PRP	M1190143/1156589852005851791753 : D15C103B019F4E5C PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1190143/1156589852005851791753 : D15C103B019F4E5C PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1190143/1156589852005851791753 : D15C103B019F4E5C PRP: Verified PRP without proof (not generated)
2008-07-21	James Heinrich	F-ECM	Factor: 1156589852005851791753