is 2 12213269 - 1
has 3676561 decimal digits
takes 4.702 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
Actual2672.432964.1791 %40000034345080010.65729.6957 %13.090167.6522 %
Target2684.880364.7059 %90000110000000.38213.0797 %5.262465.7928 %
Difference-1-2.4474-0.5268 %+310000+332450800+10.2751+6.6159%+7.8277+1.8593 %

Known prime factors (2 factors, 154.1 bits, 0.00126202% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
122132691128506055611236.7164620
22 × 3 × 5 × 7 × 11
-7117.496e-104.029e-67.953e-6
1221326922205378379196701457405707676514692136117.4189090677679823764406321398340
22 × 5 × 73 × 29 × 67 × 1187 × 123239 × 329789 × 14137229
2022-02-08329789141372291.274e+100.60410.8031

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-01-27nordisweet16_30.8b8400000400000
skipped known factor: 112850605561
--0.2232.146%
2022-02-08nordisweet16_30.8b10400000343450800236117.41813.268.905%


Trial Factoring results:
575859606162636465666768
No TF results for M12213269


ECM factoring results:
No ECM results for M12213269


Lucas-Lehmer results:
No L-L results for M12213269


PRP results:
dateuseridcompidcofactorsres64
2022-02-14Oliver KruseIOS-6
112850605561
222053783791967014574057076765146921
D0CE3743D8F3056A


CERT results:
dateuseridcompid
2022-02-14Gregescatter11


P-1 factor-bounds graph:
B1 = 400000, B2 = 343450800 (P-1 stage 2)
B1 = 400000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 68
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00