1 854 227 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
26660075807	11	34.6	old
34411695363219152568943201	26	84.8	2021-02-15 14:09:06

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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	9F5D05B32F6696A8	1	0	1	3
Verified (Factored)	2017-11-07	ATH	9F5D05B32F6696A8	1	17270	1	3
Verified	2021-02-17	ViliamF	A60B4CAD52EB37BC	2	166141	5	3

History

Date	User	Type	Result
2021-02-17	ehustvedt	CERT	PRP Certification Proof certified good
2021-02-17	ViliamF	C-PRP	M1854227/26660075807/34411695363219152568943201 : A60B4CAD52EB37BC PRP proof power = 7 PRP: Verified Proof certified good
2021-02-15	MarkS	F-ECM	Factor: 34411695363219152568943201 / (ECM curve 11, B1=50000, B2=5000000, Sigma=302935193096536)
2017-11-07	ATH	C-PRP	M1854227/26660075807 : 9F5D05B32F6696A8 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1854227/26660075807 : 9F5D05B32F6696A8 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12