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Old 2010-07-26, 14:35   #1
Merfighters
 
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Default Riesel Primorial k Search

This search is for seeking primes of the form k#*2^n-1.

I tested k=547. Found primes (mentioned on other thread):
547#*2^3969-1
547#*2^4789-1
547#*2^4848-1
547#*2^6126-1
547#*2^6183-1
547#*2^6280-1
547#*2^6698-1
547#*2^6827-1
547#*2^6844-1
547#*2^7488-1
547#*2^7497-1
547#*2^7689-1
547#*2^7850-1
547#*2^8291-1
547#*2^8539-1
Tested to n=10000.
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Old 2010-07-29, 14:52   #2
Merfighters
 
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Sorry, didn't posted the smaller ones:
547#*2^24-1
547#*2^39-1
547#*2^121-1
547#*2^159-1
547#*2^199-1
547#*2^272-1
547#*2^322-1
547#*2^450-1
547#*2^470-1
547#*2^748-1
547#*2^756-1
547#*2^807-1
547#*2^879-1
547#*2^926-1
547#*2^1078-1
547#*2^1148-1
547#*2^1432-1
547#*2^1478-1
547#*2^1517-1
547#*2^1613-1
547#*2^1661-1
547#*2^1748-1
547#*2^1902-1
547#*2^1954-1
547#*2^1981-1
547#*2^2225-1
547#*2^2529-1
547#*2^3265-1
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