9 103 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
2454405479	10	31.2	old
150588276643469519	18	57.1	old
490166749616008974857453852804805521	36	118.6	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	1281 / 9201

Estimated T-Level: 40.7 ⓘ

TF below 2^130 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-21	Oliver Kruse	B2427FF6EEFCA9F2	3	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	B2427FF6EEFCA9F2	3	0	1	3
Verified	2017-12-07	ATH	B2427FF6EEFCA9F2	3	3184	1	3
Unverified	2020-04-17	Oliver Kruse	639EA191282F2F__	3	593	5	3

History

Date	User	Type	Result
2023-07-16	JacobZ	NF-PM1	B1=64000000000, B2=263527252205367150
2021-12-16	Lisander Viaene	NF-PM1	B1=100000000
2020-04-17	Oliver Kruse	C-PRP	M9103/2454405479/150588276643469519/490166749616008974857453852804805521 : 639EA191282F2F__ PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M9103/2454405479/150588276643469519/490166749616008974857453852804805521 : B2427FF6EEFCA9F2 PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M9103/2454405479/150588276643469519/490166749616008974857453852804805521 : B2427FF6EEFCA9F2 PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M9103/known_factors : B2427FF6EEFCA9F2 PRP without proof (not generated)