is 2 31817 - 1
has 9578 decimal digits
takes 0.000 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
Actual267933.900777.6119%40000000000040011967498560057017,411,843.167144.4600%17,412,777.067787.5657%
Target2440.000165.9091%500100000.00001.7892%0.000166.5190%
Difference+23+933.9006+11.7028%+399999999500+400119674985590570+17,411,843.1671+42.6707%+17,412,777.0677+21.0466%

Known prime factors (10 factors, 783.0 bits, 2.46084358% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3181734553263825.042543
3 × 181
-31811.570e-101.014e-81.467e-8
3181735571407825.084559
13 × 43
2008-08-2613431.575e-101.169e-82.113e-8
3181753134391825.663835
5 × 167
2008-08-2651671.659e-101.104e-81.331e-8
318171061478117671236.6271668099
3 × 43 × 67 × 193
2008-08-26671933.051e-75.900e-81.089e-7
3181733345108521414882331961.53252401402585748
22 × 43 × 304659317359
2009-03-304330465931735919.11713.25824.761
3181731287629618031227916862288540723333107.9474916810135781379123874389248
28 × 3 × 1480558063 × 4324110408742097
2018-05-29148055806343241104087420974.868e+12188,168351,444
318176161651192426454542564369935578580935115.569968295438354724603602534798312
23 × 3 × 19 × 531173 × 3997671019936332747649
2018-05-2953117339976710199363327476494.486e+121.740e+113.249e+11
3181726519640895113829883997785554364401736117.6754167526934518312519093218335224
23 × 7 × 17 × 107 × 40912657411041315077880491
2018-05-30107409126574110413150778804914.377e+121.780e+153.325e+15
318171743822663141433922628521374869066910083141133.679274039454244811566556954045772553495
3 × 5 × 13 × 59 × 233 × 30697 × 3330232966971456808805399
2020-02-183069733302329669714568088053994.670e+121.449e+142.707e+14
318172412039032708167151784313089121153700487141134.147379048784094692641007058033303132555
34 × 5 × 881 × 1062341570590918403629596091151
2018-07-2188110623415705909184036295960911515.876e+124.623e+198.634e+19

1,013 Composite Factors: