Prime numbers have a unique place not only in mathematics but in day-to-day life. The odd presence of a number that cannot be divided by any number apart from itself. There are many examples in biology where prime numbers drive special attributes of organisms ability to differentiate themselves. Marcus du Sautoy ran a fascinating program last year on BBC in the UK. The first few primes are 2,3,5,7,11,17 & 19.
The number seven has always fascinated me. I began to notice many stories that included the number 7 as a central character.
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