253 769 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
770596011229801	15	49.5	old
374864571200694534175966765946236250137	39	128.1	2022-04-23 20:24:23

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	432 / 640

Estimated T-Level: 28.4 ⓘ

TF below 2^89 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	8F3C4C787DBD04E5	1	0	1	3
Verified (Factored)	2017-10-12	kkmrkkblmbrbk	8F3C4C787DBD04E5	1	128297	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	DA1694FA7A0085F7	1	53049	5	3
Verified	2022-04-23	aperson1	DA1694FA7A0085F7	2	94231	5	3

P-1 factors

Date	Factor	B1	B2
2022-04-23	374864571200694534175966765946236250137	30000000	10120247026890

History

Date	User	Type	Result
2022-04-23	Chad Steenerson	CERT	PRP Certification Proof certified good
2022-04-23	aperson1	C-PRP	M253769/770596011229801/374864571200694534175966765946236250137 : DA1694FA7A0085F7 PRP proof power = 5 PRP: Verified Proof certified good
2022-04-23	Oliver Kruse	F-PM1	Factor: 374864571200694534175966765946236250137 / (P-1, B1=30000000, B2=10120247026890)
2021-08-28	Oliver Kruse	NF-PM1	B1=30000000, B2=3000000000, E=24
2020-04-17	Oliver Kruse	C-PRP	M253769/770596011229801 : DA1694FA7A0085F7 PRP: Verified (Factored) PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M253769/770596011229801 : 8F3C4C787DBD04E5 PRP: Verified (Factored) PRP without proof (small exponent)
2017-09-22	Oliver Kruse	C-PRP	M253769/770596011229801 : 8F3C4C787DBD04E5 PRP: Verified (Factored) PRP without proof (not generated)
2017-09-22	Oliver Kruse	C-PRP	M253769/770596011229801 : 8F3C4C787DBD04E5 PRP without proof (not generated)