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6983 (another Prime Pages' Curiosity) |
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The smallest prime which can only be made into one
other prime with the same number of digits (6883) by
changing a single digit. Change any other digit and get a
composite. 0983 is not a 4-digit prime, but the 3-digit
prime 983. [Post]
To link to this page use http://primes.utm.edu/curios/page.php?number_id=9140
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