is 2 103624823 - 1
has 31194181 decimal digits
takes 412.592 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual276147.686664.4737 %2000000200000011.54662.2617 %159.233265.2772 %
Target276147.686664.4737 %65000011000000038.14833.8571 %185.834865.8440 %
Difference---+1350000-108000000-26.6016-1.5954 %-26.6016-0.5668 %

Known prime factors (1 factor, 79.3 bits, 0.00007652% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1036248237389313689914924388955932479.2903565416796859052
22 × 32 × 103 × 359 × 17807 × 150413
2021-01-23178071504131,629.60.14450.2092

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-01-23Runtime ErrorManual testing2000000200000012479.29011.892.262%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-19Richard2632640.019
2010-08-23ANONYMOUS2642650.036
2012-04-30Mr-PlonkLinux-i72652660.072
2014-05-05GrunwalderGIMPcompute-0-32662670.144
2014-05-08SMoffatManual testing2672680.288
2014-07-17g0bManual testing2682690.577
2014-07-20PascalBieriManual testing2692701.154
2014-07-26PascalBieriManual testing2702712.308
2015-01-22g0bManual testing2712724.615
2019-09-30Niels_Mache_NextcloudManual testing27227427.69
2021-01-10Richard ThomasManual testing274276110.8


ECM factoring results:
No ECM results for M103624823


Lucas-Lehmer results:
No L-L results for M103624823


PRP results:
No PRP results for M103624823


CERT results:
No CERT results for M103624823


P-1 factor-bounds graph:
B1 = 2000000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
TF factor-bounds graph:
276
274
272
271
270
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00