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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest palindromic Carmichael number. The second is 127665878878566721. The digits in this second one add to 100.

+ The numbers 6*101101+1, 12*101101+1, and 18*101101+1 are also prime and hence their product is Carmichael. [Patterson]




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