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Old 2019-03-08, 03:06   #10
axn
 
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Jun 2003

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Quote:
Originally Posted by robert44444uk View Post
I've tested up to 1.5e10 and, in addition to the 9-interprime mentioned above, there are two others:

74422046685
81661695390

There are 33 8-interprimes in the range 0 to 1.5e10

But no 10-interprime yet
1.5e10 or 1.5e11 (aka 150e9)?
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