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Old 2006-09-12, 14:21   #2
Kosmaj
 
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Nov 2003

E2616 Posts
Default Number of primes

BTW, k=15 up to n=1M so far produced 50 primes, as follows:

Code:
#Digits   #primes
2-1000 ....28
1-10k ......5
10-100k ...12
100-300k ...5
The full list of n's:
1, 2, 4, 5, 10, 14, 17, 31, 41, 73, 80, 82, 116, 125, 145, 157, 172, 202, 224, 266, 289, 293, 463, 1004, 1246, 2066, 2431, 2705, 4622, 5270, 7613, 21727, 21962, 40742, 41054, 60622, 83263, 83669, 91457, 103940, 104177, 108124, 115327, 161453, 172714, 454681, 568780, 656264, 712294, 902474
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