7 907 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
546405329	9	29.0	old

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	640 / 640
35	1000000	1566 / 1566
40	3000000	4588 / 4588
45	11000000	6092 / 9201

Estimated T-Level: 43.3 ⓘ

TF below 2^139 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	BE0E7A4D12DDE5B3	1	0	1	3
Verified	2017-10-12	kkmrkkblmbrbk	BE0E7A4D12DDE5B3	1	2751	1	3
Verified	2020-04-17	Oliver Kruse	9340DAA8EEC5C3B1	1	1059	5	3
Verified	2024-02-03	Wentao Huang	9340DAA8EEC5C3B1	1	3638	5	3

History

Date	User	Type	Result
2024-02-03	Wentao Huang	C-PRP	M7907/546405329 : 9340DAA8EEC5C3B1 PRP: Verified PRP without proof (small exponent)
2023-05-22	JacobZ	NF-PM1	B1=60000000000, B2=244568457101868900
2021-01-26	Joss	NF-PM1	B1=128000000, B2=1600000000000, E=12
2021-01-24	Joss	NF-PM1	B1=128000000, B2=1000000000000, E=12
2021-01-17	Joss	NF-PM1	B1=128000000, B2=128000000000, E=12
2021-01-17	Joss	NF-PM1	B1=64000000
2021-01-17	Joss	NF-PM1	B1=32000000
2021-01-17	Joss	NF-PM1	B1=16000000
2021-01-17	Joss	NF-PM1	B1=8000000
2021-01-17	Joss	NF-PM1	B1=4000000
2021-01-17	Joss	NF-PM1	B1=2000000
2021-01-17	Joss	NF-PM1	B1=1000000
2020-04-17	Oliver Kruse	C-PRP	M7907/546405329 : 9340DAA8EEC5C3B1 PRP: Verified PRP without proof (small exponent)
2017-10-12	kkmrkkblmbrbk	C-PRP	M7907/546405329 : BE0E7A4D12DDE5B3 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M7907/546405329 : BE0E7A4D12DDE5B3 PRP: Verified PRP without proof (not generated)
2017-09-21	Oliver Kruse	C-PRP	M7907/546405329 : BE0E7A4D12DDE5B3 PRP without proof (not generated)