is 2 5500637 - 1
has 1655857 decimal digits
takes 0.869 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
Actual2675.401965.6716 %23500002138500003.176710.0688 %8.578669.1281 %
Target2662.684965.1515 %3400032500000.04792.1132 %2.732865.8879 %
Difference+1+2.7170+0.5201 %+2316000+210600000+3.1287+7.9556%+5.8458+3.2402 %

Known prime factors (2 factors, 109.5 bits, 0.00199030% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5500637224866040571134.3882044
22 × 7 × 73
-7736.002e-102.426e-63.262e-6
5500637402275519596005486450012375.0913656626674292500
22 × 3 × 54 × 23 × 103 × 205804231
2021-09-116252058042311,734.42.56764.7954

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-09-11Dylan Delgadolaptop-ryzen73700235000021385000022375.0913.17710.862%


Trial Factoring results:
5758596061626364656667
No TF results for M5500637


ECM factoring results:
No ECM results for M5500637


Lucas-Lehmer results:
No L-L results for M5500637


PRP results:
dateuseridcompidcofactorsres64
2017-12-04kkmrkkblmbrbkc4.xlarge
22486604057
CE0DF427A32E8396
2018-06-30Oliver KruseGTX-5
22486604057
CE0DF427A32E8396
2021-09-16ATHec2-P_1
22486604057
40227551959600548645001
CE0DF427A32E8396


CERT results:
dateuseridcompid
2021-09-16curtiscjckl245801l


P-1 factor-bounds graph:
B1 = 2350000, B2 = 213850000 (P-1 stage 2)
B1 = 2350000 (P-1 stage 1)
100
101
102
103
104
105
106
107
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
this exponent TF target: 66
TF double-checked to: 67
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00