is 2 50987633 - 1
has 15348807 decimal digits
takes 93.407 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
Actual2704.686462.8571%----4.686462.8571%0.0000%
PrimeNet2692.341562.3188%22000090000001.85515.1445%4.196564.2573%1.9385%
GPU7227337.515864.3836%340000110000002.44593.7956%39.961865.7354%1.3519%
Difference-3-32.8294-1.5264%-340000-11000000-2.4459-3.7956%-35.2753-2.8783%-1.3519%

Known prime factors (2 factors, 132.8 bits, 0.00026052% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
50987633462573525341167065132065.326453613453032
23 × 3 × 17 × 29 × 38337851
2009-03-2829383378510.15685.548510.363
509876332095559791013606667292167.5062054968693108
22 × 67 × 7667793631
2022-09-226776677936310.83001,109.72,072.6

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
50987633969350480092363342756385831825529670597740132.832
P-1 results:
No P-1 results for M50987633


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-03-28T18:22:00dlerick66bob2009??65.326200.014192.50.028
1999-10-15T00:00:00ANONYMOUSv4_computers21253--2.35336e-5--
2000-01-04T00:00:00ANONYMOUSv4_computers21253--2.35336e-5--
2000-02-09T00:00:00ANONYMOUSv4_computers21254--4.70672e-5--
2000-04-27T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-04-29T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-02-03T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-08-25T00:00:00ANONYMOUSv4_computers21260--0.003--
2003-08-31T00:00:00ANONYMOUSv4_computers21260--0.003--
2008-09-23T07:13:00DerekManual testing21264--0.070--
2009-03-27T08:00:00dlerick66bob2009264265--0.073--
2022-09-25T22:01:18LordJuliusManual testing26526765.326200.014192.50.028
2022-09-22T09:50:23TJAOIManual testing267268*67.506210.247191.60.507
2022-09-25T22:01:18LordJuliusManual testing26726867.506210.247191.60.507
2022-09-25T22:01:18LordJuliusManual testing268269--1.172--
2022-09-25T22:01:18LordJuliusManual testing269270--2.345--


ECM factoring results:
No ECM results for M50987633


Lucas-Lehmer results:
No L-L results for M50987633


PRP results:
No PRP results for M50987633


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
270
269
268
267
265
264
260
258
257
256
254
253
2
250
260
270
280
290
2100
Last modified: 2022-09-25T22:01:18+00:00