is 2 62439337 - 1
has 18796114 decimal digits
takes 146.675 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.475961.1940%----0.475961.1940%0.0000%
PrimeNet2703.826962.8571%260000120000003.06435.1471%6.891264.7689%1.9118%
GPU7227461.273364.8649%400000130000003.70073.7251%64.974166.1737%1.3088%
Difference-7-60.7974-3.6708%-400000-13000000-3.7007-3.7251%-64.4982-4.9797%-4.9797%

Known prime factors (1 factor, 31.7 bits, 0.00005069% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6243933733717241991031.65127
33
-27274.609e-129.197e-50.0002

P-1 results:
No P-1 results for M62439337


Trial Factoring results:
No TF results for M62439337


ECM factoring results:
No ECM results for M62439337


Lucas-Lehmer results:
No L-L results for M62439337


PRP results:
No PRP results for M62439337


P-1 factor-bounds graph:
100
101
102
100
101
102
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100