535 663 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
147263710900283295768253411583	30	96.9	2014-03-29 15:39:32

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	200 / 640

Estimated T-Level: 26.6 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	399C	0
Verified (Factored)		Charles F. Kerchner III	86581CBE8B5C399C	0
Verified (Factored)		Klaus Kastens	86581CBE8B5C399C	288466

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	F70C461E3888C874	1	0	1	3
Verified	2017-09-28	Oliver Kruse	F70C461E3888C874	1	0	1	3
Verified	2017-11-07	kkmrkkblmbrbk	F70C461E3888C874	1	90118	1	3
Unverified (Reliable)	2020-04-19	Oliver Kruse	9B13073E1A937A__	1	358775	5	3

History

Date	User	Type	Result
2022-12-20	USAFSS	NF-PM1	B1=1750000, B2=5854889040
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-04-19	Oliver Kruse	C-PRP	M535663/147263710900283295768253411583 : 9B13073E1A937A__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-07	kkmrkkblmbrbk	C-PRP	M535663/147263710900283295768253411583 : F70C461E3888C874 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M535663/147263710900283295768253411583 : F70C461E3888C874 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-27	Oliver Kruse	C-PRP	M535663/147263710900283295768253411583 : F70C461E3888C874 PRP: Unverified (Reliable) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=1500000, B2=50000000, E=12
2014-03-29	bam	F-ECM	Factor: 147263710900283295768253411583
2011-09-24	Joss	NF-PM1	B1=1492722
2011-07-26	Joss	NF-PM1	B1=746361
2011-06-26	Joss	NF-PM1	B1=447816
2011-06-12	Joss	NF-PM1	B1=400000