is 2 49022893 - 1
has 14757362 decimal digits
takes 85.109 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
Actual2692.435362.3188 %----2.435362.3188 %
Target27339.019464.3836 %320000500000007.61933.6734 %46.638765.6919 %
Difference-4-36.5841-2.0647 %-320000-50000000-7.6193-3.6734 %-44.2034-3.3731 %

Known prime factors (1 factor, 71.4 bits, 0.00014565% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4902289331218065613514019720712271.40331840293078495
32 × 5 × 11 × 8467 × 7597003
2011-05-208467759700316.3721.06211.9461

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-05-20remvadwork2271.4033.4090.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-01-08Alex Kruppav4_computers212516.10000e-6
2003-08-31Team Prime Ribv4_computers212590.001
2007-04-071997rj7v4_computers212630.020
2008-06-03ANONYMOUSManual testing212640.038
2008-07-25ANONYMOUSv4_computers212691.219


ECM factoring results:
No ECM results for M49022893


Lucas-Lehmer results:
No L-L results for M49022893


PRP results:
No PRP results for M49022893


CERT results:
No CERT results for M49022893


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
269
264
263
259
251
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00