is 2 25224271 - 1
has 7593263 decimal digits
takes 21.616 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
Actual2671.178062.6866%----1.178062.6866%0.0000%
PrimeNet2660.585562.1212%11000040000000.40004.9835%0.985564.0089%1.8877%
GPU722709.473064.2857%18000055000000.58383.7371%10.056965.6204%1.3347%
Difference-3-8.2951-1.5991%-180000-5500000-0.5838-3.7371%-8.8789-2.9338%-2.9338%

Known prime factors (2 factors, 122.3 bits, 0.00048499% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
252242711151119051556547831856.6762281768721
283 × 8062787
2001-08-2428380627870.00050.54621.0195
25224271582865855814328029592065.6601155367098249
3 × 7 × 13 × 4232113913
2019-03-061342321139130.4360286.51535.12

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
25224271670947991129684840858897866866490289737122.336
P-1 results:
No P-1 results for M25224271


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-08-24T00:00:00Mattv4_computers??56.676180.00044.620.000
2001-08-12T00:00:00Net_Forcev4_computers21256--0.000--
2022-06-24T06:17:33LordJuliusManual testing2126556.676180.00144.620.001
2019-03-06T13:38:40TJAOIManual testing265266*65.660200.14744.030.299


ECM factoring results:
No ECM results for M25224271


Lucas-Lehmer results:
No L-L results for M25224271


PRP results:
No PRP results for M25224271


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
266
265
256
2
250
260
270
280
290
2100
Last modified: 2022-06-24T06:17:33+00:00