245 383 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
100656061449529	15	46.5	old
1794188468218042249912304502791	31	100.5	2021-05-02 03:10:09

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	176 / 1566

Estimated T-Level: 30.6 ⓘ

TF below 2^97 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-22	Oliver Kruse	40CD45FD08A057D2	1	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	40CD45FD08A057D2	1	139816	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	52000D9970BBF9A4	1	195637	5	3
Verified	2021-05-02	ATH	52000D9970BBF9A4	2	142702	5	3

History

Date	User	Type	Result
2022-04-13	Oliver Kruse	NF-PM1	B1=30000000, B2=10120247026890
2021-07-29	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000, E=24
2021-05-02	Rich66	CERT	PRP Certification Proof certified good
2021-05-02	ATH	C-PRP	M245383/100656061449529/1794188468218042249912304502791 : 52000D9970BBF9A4 PRP proof power = 5 PRP: Verified Proof certified good
2021-05-02	nordi	F-ECM	Factor: 1794188468218042249912304502791 / (ECM curve 6, B1=250000, B2=38500000, Sigma=8050212655970696)
2020-04-17	Oliver Kruse	C-PRP	M245383/100656061449529 : 52000D9970BBF9A4 PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M245383/100656061449529 : 40CD45FD08A057D2 PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M245383/100656061449529 : 40CD45FD08A057D2 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M245383/100656061449529 : 40CD45FD08A057D2 PRP without proof (not generated)