3 559 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
63258239461603508227993	23	75.7	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	15108 / 40830

Estimated T-Level: 51.9 ⓘ

TF below 2^167 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	93FC03A50E186547	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	93FC03A50E186547	1	3317	1	3
Verified	2020-04-17	Oliver Kruse	C2BFF8C4086A61FE	1	250	5	3
Verified	2024-02-03	Wentao Huang	C2BFF8C4086A61FE	1	415	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M3559/63258239461603508227993 : C2BFF8C4086A61FE PRP: Verified PRP without proof (small exponent)
2022-06-15	mikr	NF-PM1	B1=120000000000, B2=314605609292724750
2021-09-05	Jinyuan Wang	NF-PM1	B1=1300000000, B2=13000000000, E=12
2020-04-17	Oliver Kruse	C-PRP	M3559/63258239461603508227993 : C2BFF8C4086A61FE PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M3559/63258239461603508227993 : 93FC03A50E186547 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M3559/63258239461603508227993 : 93FC03A50E186547 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M3559/63258239461603508227993 : 93FC03A50E186547 PRP without proof (not generated)