is 2 201596309 - 1
has 60686537 decimal digits
takes 1,720.219 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
Actual277151.829063.6364 %93979939791.16280.4969 %152.991863.8170 %
Target279607.318664.5570 %1200000250000000182.56493.9666 %789.883665.9629 %
Difference-2-455.4896-0.9206 %-1106021-249906021-181.4022-3.4698 %-636.8918-2.1458 %

Known prime factors (1 factor, 69.6 bits, 0.00003452% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2015963098908567789072826689192169.5942209506670351
31 × 1069 × 2273 × 29333
2020-03-142273293330.59220.04640.0572

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-03-14GdSManual testing939799397912169.5941.1630.370%


Trial Factoring results:
5758596061626364656667686970717273747576777879
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-05-01tscc012642650.019
2013-07-17Pool PartySt.P.p2652660.037
2014-11-14laleraManual testing2662670.074
2014-12-07laleraManual testing2672680.148
2016-12-08SADMASTERManual testing2682690.297
2016-12-08SADMASTERManual testing2692700.593
2019-09-21Chabot PrimeCC3906-552702711.186
2020-03-14GdSManual testing2712722.372
2020-03-14GdSManual testing2722734.745
2020-03-14GdSManual testing2732749.489
2020-03-14GdSManual testing27427518.98
2020-03-14GdSManual testing27527637.96
2020-03-15GdSManual testing276277


ECM factoring results:
No ECM results for M201596309


Lucas-Lehmer results:
No L-L results for M201596309


PRP results:
No PRP results for M201596309


CERT results:
No CERT results for M201596309


P-1 factor-bounds graph:
B1 = 93979 (P-1 stage 1)
102
103
104
105
102
103
104
105
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 79
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00