10 396 073 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
70173492751	11	36.0	old
78878497445570046354289	23	76.1	2020-06-02 01:34:24

ECM

Digits	B1	Curves
25	50000	32 / 280

Estimated T-Level: 20.6 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2020-05-31	riccardo uberti	372BD92E800919EC	1	8204329	5	3
Verified	2020-06-04	Oliver Kruse	372BD92E800919EC	2	1270958	5	3

P-1 factors

Date	Factor	B1	B2
2020-06-02	78878497445570046354289	500000	10000000

History

Date	User	Type	Result
2021-05-31	riccardo uberti	NF-PP1	Start=2/7, B1=750000, B2=20000000
2021-05-20	riccardo uberti	NF-PP1	Start=6/5, B1=750000, B2=20000000
2020-06-04	Oliver Kruse	C-PRP	M10396073/70173492751/78878497445570046354289 : 372BD92E800919EC PRP: Verified PRP without proof (not generated)
2020-06-02	riccardo uberti	F-PM1	Factor: 78878497445570046354289 / (P-1, B1=500000, B2=10000000, E=12)
2020-05-31	riccardo uberti	C-PRP	M10396073/70173492751 : 372BD92E800919EC PRP: Verified PRP without proof (not generated)