is 2 77025833 - 1
has 23187087 decimal digits
takes 217.170 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
Actual27449.669963.5135%7000007000002.86171.7843%52.531664.1645%0.6510%
PrimeNet2703.102261.4286%340000160000004.87805.7499%7.980263.6464%2.2178%
GPU7227449.669963.5135%500000180000005.94204.1967%55.611965.0447%1.5312%
Difference---+200000-17300000-3.0802-2.4124%-3.0802-0.8802%-0.8802%

Known prime factors (1 factor, 75.0 bits, 0.00009732% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
77025833368158365989844169593132374.963238983696541032
23 × 3 × 23 × 67 × 44269 × 145967
2015-04-214426914596768.5070.20360.3683

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-04-21T13:53:00Jwb52zClay7000007000002374.9632.862434.35.7231.784%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-10T00:00:00ANONYMOUSv4_computers21253--1.55782e-5--
2003-12-02T00:00:00ANONYMOUSv4_computers21261--0.004--
Missing TF 61 - 62
Missing TF 62 - 63
Missing TF 63 - 64
Missing TF 64 - 65
2011-04-14T00:00:00ANONYMOUSv4_computers265266--0.097--
2011-02-16T07:31:00ANONYMOUSSrvrUID265266--0.097--
2011-03-08T08:52:00Triumph83Asus266267--0.194--
2011-03-13T02:52:00Per Jessenbeaufort4267268--0.388--
2011-03-20T20:21:00Dr. DwayneSyrah268269--0.776--
2011-07-10T03:30:00ANONYMOUS269270--1.552--
2012-12-26T11:30:00SWL551Manual testing270271--3.105--
2012-12-26T11:30:00SWL551Manual testing271272--6.209--
2014-09-13T11:59:00gcardonaManual testing272273--12.42--
2014-09-13T20:06:00gcardonaManual testing273274--24.84--


ECM factoring results:
No ECM results for M77025833


Lucas-Lehmer results:
No L-L results for M77025833


PRP results:
No PRP results for M77025833


P-1 factor-bounds graph:
B1 = 700000 (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
261
253
250
260
270
280
290
2100
Last modified: 2015-04-21T13:53:00+00:00