4 799 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
95107521213788362634330367555986457210799	41	136.1	old
57255218308145995574602807450054654634617922075735041	53	175.3	2021-05-16 02:58:43

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	13201 / 40830

Estimated T-Level: 51.6 ⓘ

TF below 2^166 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-21	Oliver Kruse	45F97B6440F99BCA	1	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	45F97B6440F99BCA	1	0	1	3
Verified (Factored)	2017-12-07	ATH	45F97B6440F99BCA	1	3784	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	9F7B66EB8CB67A4C	1	2266	5	3
Verified	2021-05-16	mikr	9F7B66EB8CB67A4C	2	4104	5	3
Verified	2021-05-17	marcomich	9F7B66EB8CB67A4C	2	917	5	3

History

Date	User	Type	Result
2023-05-29	-Anonymous-	NF-PM1	B1=66000000000, B2=662102605034570700
2021-07-09	ViliamF	NF-PM1	B1=1000000000, B2=201000000000
2021-05-17	marcomich	C-PRP	M4799/95107521213788362634330367555986457210799/57255218308145995574602807450054654634617922075735041 : 9F7B66EB8CB67A4C PRP: Verified PRP without proof (small exponent)
2021-05-16	mikr	C-PRP	M4799/95107521213788362634330367555986457210799/57255218308145995574602807450054654634617922075735041 : 9F7B66EB8CB67A4C PRP: Verified PRP without proof (small exponent)
2021-05-16	Ryan Propper	F-ECM	Factor: 57255218308145995574602807450054654634617922075735041 / (ECM curve 1, B1=850000000, B2=14278699234818, Sigma=6666573850978826524)
2020-04-17	Oliver Kruse	C-PRP	M4799/95107521213788362634330367555986457210799 : 9F7B66EB8CB67A4C PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M4799/95107521213788362634330367555986457210799 : 45F97B6440F99BCA PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M4799/95107521213788362634330367555986457210799 : 45F97B6440F99BCA PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M4799/known_factors : 45F97B6440F99BCA PRP without proof (not generated)