is 2 62826059 - 1
has 18912529 decimal digits
takes 147.583 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27460.896264.8649%5500005500001.87341.5596%62.769565.4128%0.5480%
PrimeNet2703.803462.8571%260000120000003.06435.1510%6.867664.7704%1.9132%
GPU7227460.896264.8649%400000130000003.70073.7281%64.596966.1747%1.3099%
Difference---+150000-12450000-1.8273-2.1684%-1.8273-0.7619%-0.7619%

Known prime factors (1 factor, 82.5 bits, 0.00013136% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6282605969711196172929150069027512582.52855479523371766125
3 × 53 × 79 × 811 × 11701 × 197347
2013-08-211170119734725,2580.07430.0811

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-21T12:11:00Jwb52zClay5500005500002582.5281.873295.23.7471.560%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-07-13T00:00:00ANONYMOUSv4_computers21259--0.001--
2022-03-30T01:49:21LordJuliusManual testing21263--0.025--
2009-02-03T12:13:00Wojciech Florekarmada4263264--0.031--
2009-02-26T17:14:00Scorpuscorp264265--0.059--
2009-02-28T16:13:00Gymnasium_Raublingd4265266--0.119--
2009-03-02T21:05:00Gymnasium_Raublingd4266267--0.238--
2009-08-10T04:37:00Carlos "casep" Sepulvedatests267268--0.476--
2009-10-07T15:57:00WilltechWilltech268269--0.952--
2012-04-14T09:11:00Piotrek2234269270--1.903--
2013-03-21T22:40:00Jerry HallettManual testing270271--3.806--
2013-03-21T22:40:00Jerry HallettManual testing271272--7.612--
2013-03-21T22:40:00Jerry HallettManual testing272273--15.22--
2013-08-16T17:00:00TheJudgerManual testing273274--30.45--


ECM factoring results:
No ECM results for M62826059


Lucas-Lehmer results:
No L-L results for M62826059


PRP results:
No PRP results for M62826059


P-1 factor-bounds graph:
B1 = 550000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
274
273
272
271
270
269
268
267
266
265
264
263
259
250
260
270
280
290
2100
Last modified: 2022-03-30T01:49:21+00:00