1 048 573 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
73400111	8	26.1	old
233060253036251369591	21	67.7	2017-04-21 10:30:23

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	2017-09-28	Oliver Kruse	BA00505BAA193096	2	0	1	3
Verified	2017-10-15	Oliver Kruse	BA00505BAA193096	2	473434	1	3
Verified	2017-12-27	ATH	BA00505BAA193096	2	314020	1	3

History

Date	User	Type	Result
2021-07-18	ViliamF	NF-PM1	B1=10000000, B2=1110000000
2017-12-27	ATH	C-PRP	M1048573/73400111/233060253036251369591 : BA00505BAA193096 PRP: Verified PRP without proof (not generated)
2017-10-15	Oliver Kruse	C-PRP	M1048573/73400111/233060253036251369591 : BA00505BAA193096 PRP: Verified PRP without proof (not generated)
2017-09-28	Oliver Kruse	C-PRP	M1048573/73400111/233060253036251369591 : BA00505BAA193096 PRP: Verified PRP without proof (not generated)
2017-04-21	TJAOI	F-ECM	Factor: 233060253036251369591 / (ECM curve 115, B1=50000, B2=5000000)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12