1 827 277 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
13185630833	11	33.6	old
1893708258821965008103	22	70.7	2020-09-01 19:07:13

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 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)	2017-10-04	Oliver Kruse	A5F4FCC0EE67D44B	1	0	1	3
Verified (Factored)	2017-11-06	kkmrkkblmbrbk	A5F4FCC0EE67D44B	1	105914	1	3
Verified	2020-09-02	Massimo Cappelli (ik5pwa)	9A8EAF7CB400A0C2	2	1386575	5	3
Verified	2020-09-03	kutens	9A8EAF7CB400A0C2	2	235965	5	3

History

Date	User	Type	Result
2020-09-03	kutens	C-PRP	M1827277/13185630833/1893708258821965008103 : 9A8EAF7CB400A0C2 PRP: Verified PRP without proof (not generated)
2020-09-02	Massimo Cappelli (ik5pwa)	C-PRP	M1827277/13185630833/1893708258821965008103 : 9A8EAF7CB400A0C2 PRP: Verified PRP without proof (not generated)
2020-09-01	Chang Chia-Tche	F-ECM	Factor: 1893708258821965008103 / (ECM curve 7, B1=50000, B2=5000000)
2017-11-06	kkmrkkblmbrbk	C-PRP	M1827277/13185630833 : A5F4FCC0EE67D44B PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1827277/13185630833 : A5F4FCC0EE67D44B PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12