2 707 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
173249	6	17.4	old
3822652153	10	31.8	old
158443790567	12	37.2	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	6842 / 40830

Estimated T-Level: 50.8 ⓘ

TF below 2^164 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	F2AC80B7AE4487C8	3	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	F2AC80B7AE4487C8	3	2265	1	3
Verified	2020-04-17	Oliver Kruse	716F898011F90369	3	406	5	3
Verified	2024-02-03	Wentao Huang	716F898011F90369	3	2602	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M2707/173249/3822652153/158443790567 : 716F898011F90369 PRP: Verified PRP without proof (small exponent)
2022-02-14	mikr	NF-PM1	B1=60000000000, B2=314963041664931660
2020-04-17	Oliver Kruse	C-PRP	M2707/173249/3822652153/158443790567 : 716F898011F90369 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M2707/173249/3822652153/158443790567 : F2AC80B7AE4487C8 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2707/173249/3822652153/158443790567 : F2AC80B7AE4487C8 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M2707/173249/3822652153/158443790567 : F2AC80B7AE4487C8 PRP without proof (not generated)
2017-06-23	nordi	NF-PM1	B1=10000000000, B2=260000000000, E=12