Quote:
Originally Posted by Stargate38
P43 factor of C88 found by ecm.
Code:
ecm: 64/150 curves on C88, B1=250K, B2=gmpecm default, ETA: 21 sec
ecm: found prp43 factor = 2142249281864552971319672366351205960114907
ecm: 67/150 curves on C46, B1=250K, B2=gmpecm default, ETA: 21 sec
fac: setting target pretesting digits to 14.15
t15: 51.14
t20: 19.60
t25: 2.39
t30: 0.22
t35: 0.02
fac: estimated sum of completed work is t26.11
fac: QS time estimation from tune data = 0.05 sec
fac: GNFS time estimation from tune data = 10.29 sec
pretesting / qs ratio was 4886.50
Total factoring time = 39.3250 seconds
***factors found***
P43 = 2142249281864552971319672366351205960114907
P46 = 1074732871675494834696515187318946620981020017
ans = 1
So far, that's my largest ECM find. I was very lucky to find it. From this sequence (i11)

Congrats, 64 curves @ B1=250k is super lucky. You'd expect to run over 500k curves before finding a 43 digit factor with B1=250k