is 2 77349803 - 1
has 23284611 decimal digits
takes 218.083 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
Actual27598.926064.0000%645000124162505.25883.6593%104.184865.3173%1.3173%
PrimeNet2703.089261.4286%340000160000004.87805.7528%7.967363.6475%2.2190%
GPU7227449.461963.5135%500000180000005.94204.1988%55.403865.0455%1.5320%
Difference+1+49.4642+0.4865%+145000-5583750-0.6832-0.5396%+48.7809+0.2718%+0.2718%

Known prime factors (1 factor, 79.8 bits, 0.00010320% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7734980310731446012253304933918392579.8286936957559060173
32 × 257 × 410687 × 7302683
2016-02-2441068773026832,437.03.21413.4170

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-02-24T01:12:35Jwb52zClay645000124162502579.8285.259436.210.523.659%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-17T00:00:00ANONYMOUSv4_computers21253--1.55129e-5--
2003-12-02T00:00:00ANONYMOUSv4_computers21261--0.004--
Missing TF 61 - 62
Missing TF 62 - 63
Missing TF 63 - 64
2010-10-10T04:47:00PPed72Unimib264265--0.048--
2010-10-11T13:38:00GrunwalderGIMPcompute-head265266--0.097--
2010-10-16T08:40:00TDH-DXLmarrina266267--0.193--
2010-10-20T09:25:00Charles A. Morrismagnetar267268--0.386--
2010-12-21T19:05:00lexatrefalt_d268269--0.773--
2010-12-24T17:29:00dmbeesonfrodo269270--1.546--
2013-02-22T13:51:00ANONYMOUS270271--3.092--
2015-06-13T07:45:00ChuckManual testing271272--6.183--
2016-02-19T03:40:24AirSquirrelsManual testing272273--12.37--
2016-02-19T06:05:29AirSquirrelsManual testing273274--24.73--
2016-02-19T10:45:24AirSquirrelsManual testing274275--49.46--


ECM factoring results:
No ECM results for M77349803


Lucas-Lehmer results:
No L-L results for M77349803


PRP results:
No PRP results for M77349803


P-1 factor-bounds graph:
B1 = 645000, B2 = 12416250 (P-1 stage 2)
B1 = 645000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
261
253
250
260
270
280
290
2100
Last modified: 2016-02-24T01:12:35+00:00