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Old 2021-09-25, 00:10   #1944
James Heinrich
 
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"James Heinrich"
May 2004
ex-Northern Ontario

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Dylan found a nice composite:
M4900289 has a 197.901-bit (60-digit) composite (P30+P31) factor: 375214712823873127465912884273993479895231432491081329619849 (P-1,B1=2350000,B2=213850000)
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