1 483 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
910188101009715972185070554697411008108729	42	139.4	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	16550 / 16550
55	110000000	40830 / 40830
60	260000000	58540 / 105362

Estimated T-Level: 57.8 ⓘ

TF below 2^187 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	8CE99F2E9CAA02FC	1	0	1	3
Verified	2017-10-02	kkmrkkblmbrbk	8CE99F2E9CAA02FC	1	0	1	3
Verified	2017-12-07	ATH	8CE99F2E9CAA02FC	1	634	1	3
Verified	2020-04-17	Oliver Kruse	FE60930BB9E625D6	1	848	5	3
Verified	2020-08-12	_p95holder_	FE60930BB9E625D6	1	137	5	3

History

Date	User	Type	Result
2021-07-21	ViliamF	NF-PP1	Start=2/7, B1=1000000000, B2=221000000000
2021-03-27	nordi	NF-PM1	B1=1000000000000, B2=2232843418649129478
2020-08-12	_p95holder_	C-PRP	M1483/910188101009715972185070554697411008108729 : FE60930BB9E625D6 PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M1483/910188101009715972185070554697411008108729 : FE60930BB9E625D6 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M1483/910188101009715972185070554697411008108729 : 8CE99F2E9CAA02FC PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M1483/910188101009715972185070554697411008108729 : 8CE99F2E9CAA02FC PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M1483/known_factors : 8CE99F2E9CAA02FC PRP without proof (not generated)