4 271 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
8543	4	13.1	old
1595303921	10	30.6	old
7988521111	10	32.9	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	10012 / 40830

Estimated T-Level: 51.2 ⓘ

TF below 2^165 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	DA6BFD833A7DED83	3	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	DA6BFD833A7DED83	3	3143	1	3
Verified	2020-04-17	Oliver Kruse	E49F2FA30729FADC	3	1993	5	3
Verified (Factored)	2022-05-12	Jorge Coveiro	E49F2FA30729FADC	1	2621	5	3
Verified	2024-02-03	Wentao Huang	E49F2FA30729FADC	3	4019	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M4271/8543/1595303921/7988521111 : E49F2FA30729FADC PRP: Verified PRP without proof (small exponent)
2023-05-20	-Anonymous-	NF-PM1	B1=75000000000, B2=751710476301835050
2022-05-12	Jorge Coveiro	C-PRP	M4271/8543 : E49F2FA30729FADC PRP: Verified PRP without proof (small exponent)
2021-07-05	ViliamF	NF-PM1	B1=1000000000, B2=201000000000
2020-04-17	Oliver Kruse	C-PRP	M4271/8543/1595303921/7988521111 : E49F2FA30729FADC PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M4271/8543/1595303921/7988521111 : DA6BFD833A7DED83 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M4271/8543/1595303921/7988521111 : DA6BFD833A7DED83 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M4271/8543/1595303921/7988521111 : DA6BFD833A7DED83 PRP without proof (not generated)