is 2 100271917 - 1
has 30184855 decimal digits
takes 382.426 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
Actual276152.624964.4737%7230007230003.99831.4957%156.623265.0050%0.5314%
PrimeNet2729.537462.5000%400000200000008.11755.2009%17.654964.4503%1.9503%
GPU72276152.624964.4737%6500002200000010.02733.8417%162.652265.8385%1.3648%
Difference---+73000-21277000-6.0290-2.3460%-6.0290-0.8335%-0.8335%

Known prime factors (1 factor, 86.0 bits, 0.00008577% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
100271917775140425042469546506637612686.003386519201105165640
23 × 32 × 5 × 34583 × 161773 × 191911
2020-09-29161773191911288,2230.90371.8207

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-09-29T17:18:59Jwb52zClay7230007230002686.0033.998764.97.9971.496%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-02-01T00:18:001997rj7Manual testing263264--0.020--
2010-08-09T11:18:00Donna NoblePH9500264265--0.037--
2011-02-07T09:32:00Craig MeyersManual testing265266--0.075--
2011-03-12T19:40:00Craig MeyersManual testing266267--0.149--
2013-08-21T22:23:00processinfoManual testing267268--0.298--
2013-10-27T02:08:00Special_Edoyster268269--0.596--
2013-11-27T12:02:00TzarTzar269270--1.192--
2014-05-22T21:35:00PhilManual testing270271--2.385--
2014-05-22T21:35:00PhilManual testing271272--4.770--
2014-05-22T21:35:00PhilManual testing272273--9.54--
2020-02-23T14:23:10JoDuManual testing273274--19.08--
2020-07-17T11:52:58schoenbornManual testing274275--38.16--
2020-07-23T08:18:02penluManual testing275276--76.31--


ECM factoring results:
No ECM results for M100271917


Lucas-Lehmer results:
No L-L results for M100271917


PRP results:
No PRP results for M100271917


P-1 factor-bounds graph:
B1 = 723000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2020-09-29T17:18:59+00:00