2 903 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
5807	4	12.5	old
60457879	8	25.8	old
6345446910644914140703	22	72.4	old
14606763696360729501079	23	73.6	old
221290227668343044301796313	27	87.5	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	9201 / 9201
50	44000000	2925 / 16550

Estimated T-Level: 45.9 ⓘ

TF below 2^147 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	A933AEDF62F5BC45	5	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	A933AEDF62F5BC45	5	0	1	3
Verified	2017-12-07	ATH	A933AEDF62F5BC45	5	1220	1	3
Verified	2020-04-17	Oliver Kruse	0870DC00A4E1C3D8	5	1940	5	3
Verified (Factored)	2022-05-12	Jorge Coveiro	0870DC00A4E1C3D8	1	344	5	3
Verified	2024-02-03	Wentao Huang	0870DC00A4E1C3D8	5	1443	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : 0870DC00A4E1C3D8 PRP: Verified PRP without proof (small exponent)
2022-05-12	Jorge Coveiro	C-PRP	M2903/5807 : 0870DC00A4E1C3D8 PRP: Verified PRP without proof (small exponent)
2022-03-30	mikr	NF-PM1	B1=70000000000, B2=367004699921960100
2021-07-07	ViliamF	NF-PM1	B1=1000000000, B2=191000000000
2020-04-17	Oliver Kruse	C-PRP	M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : 0870DC00A4E1C3D8 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : A933AEDF62F5BC45 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : A933AEDF62F5BC45 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2903/known_factors : A933AEDF62F5BC45 PRP without proof (not generated)