1 579 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 4 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
132272831	9	27.0	old
32840964137	11	34.9	old
12413692636379967617	20	63.4	old
1948304885441549731703125917110496791829608917847246326097713473373231	70	230.2	2020-12-18 20:11:25

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	105362 / 105362
65	800000000	156611 / 194238

Estimated T-Level: 64.0 ⓘ

TF below 2^208 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	1E029676AF1FD9D2	3	0	1	3
Verified (Factored)	2017-10-02	kkmrkkblmbrbk	1E029676AF1FD9D2	3	0	1	3
Verified (Factored)	2017-12-07	ATH	1E029676AF1FD9D2	3	780	1	3
Verified (Factored)	2020-04-17	Oliver Kruse	7BF9FA113ED1D432	3	316	5	3
Verified (Factored)	2020-08-12	_p95holder_	7BF9FA113ED1D432	3	296	5	3
Verified	2020-12-18	SRJ2877	7BF9FA113ED1D432	4	217	5	3
Verified	2020-12-18	Team_Inspector	7BF9FA113ED1D432	4	841	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
2020-12-18	Team_Inspector	C-PRP	M1579/132272831/32840964137/12413692636379967617/1948304885441549731703125917110496791829608917847246326097713473373231 : 7BF9FA113ED1D432 PRP: Verified PRP without proof (small exponent)
2020-12-18	SRJ2877	C-PRP	M1579/132272831/32840964137/12413692636379967617/1948304885441549731703125917110496791829608917847246326097713473373231 : 7BF9FA113ED1D432 PRP: Verified PRP without proof (small exponent)
2020-12-18	Ryan Propper	F-ECM	Factor: 1948304885441549731703125917110496791829608917847246326097713473373231 / (ECM curve 1, B1=260000000, B2=3178559884516, Sigma=8675056614100350895)
2020-08-12	_p95holder_	C-PRP	M1579/132272831/32840964137/12413692636379967617 : 7BF9FA113ED1D432 PRP: Verified PRP without proof (small exponent)
2020-04-17	Oliver Kruse	C-PRP	M1579/132272831/32840964137/12413692636379967617 : 7BF9FA113ED1D432 PRP: Verified PRP without proof (small exponent)
2017-12-07	ATH	C-PRP	M1579/132272831/32840964137/12413692636379967617 : 1E029676AF1FD9D2 PRP: Verified PRP without proof (small exponent)
2017-10-02	kkmrkkblmbrbk	C-PRP	M1579/132272831/32840964137/12413692636379967617 : 1E029676AF1FD9D2 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M1579/known_factors : 1E029676AF1FD9D2 PRP without proof (not generated)
2016-09-07	kkmrkkblmbrbk	NF-PM1	B1=1000000000, B2=100000000000, E=12