Limerick: Twin Primes
A lonely prime discovers it's not alone: it's a twin (17 and 19).
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2017-03-15-limericks-for-mathematicians--limerick-twin-primes/ (CC BY-NC 4.0)Transcript
"'How lonely a number I've been!' / it said with a widening grin, / 'but I should have known / I'm not really alone: / I'm not just a prime, but a twin!'" [17 and 19]