is 2 45724157 - 1
has 13764343 decimal digits
takes 73.386 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
Actual2681.303661.7647 %----1.303661.7647 %
Target27220.915363.8889 %320000500000007.04384.0296 %27.959165.3440 %
Difference-4-19.6117-2.1242 %-320000-50000000-7.0438-4.0296 %-26.6555-3.5793 %

Known prime factors (2 factors, 139.3 bits, 0.00030476% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
457241573154833768993567201832168.0963449854492663
29 × 61 × 797 × 2446891
2010-04-0979724468912.16470.31200.5795
4572415728127535648663574137112271.25230757850438515
5 × 37 × 151 × 883 × 1246943
2010-04-09883124694320.4960.16000.2953

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2010-04-09imdtimdt-hn-0142139.3493.5220.000%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2000-12-14Jossv4_computers212545.25000e-5
2007-02-201997rj7v4_computers212630.021
2007-12-18ANONYMOUSv4_computers212680.654


ECM factoring results:
No ECM results for M45724157


Lucas-Lehmer results:
No L-L results for M45724157


PRP results:
No PRP results for M45724157


CERT results:
No CERT results for M45724157


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
268
263
254
this exponent TF target: 72
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00