perplexus.info :: Numbers : Aloof prime

Aloof prime (Posted on 2018-07-12)

53 is notable for being the first prime not to be part of a twin or cousin prime pair.
Its two closest primes are 47 and 59, both of which are sexy primes with 53.

The first prime not to be part of a twin, cousin, or sexy prime pair
is /you tell me/.

See The Solution Submitted by Ady TZIDON

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Adding one word

Comment 2 of 2 |

To exclude number 2 as the trivial answer one wore should be inserted into the 1st sentence:

..."53 is notable for being the first ODD prime not to be part of a twin or cousin prime pair."...

Posted by Ady TZIDON on 2018-07-12 18:44:25

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