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

Just showing those entries submitted by 'Capelle': (Click here to show all)

+ The absolute difference between two odd prime squares is always a multiple of 8. [Capelle]

+ 8 is the smallest composite number which can be represented as sum of two primes (i.e., 3 + 5) as well as sum of two composite numbers (i.e., 4 + 4). [Capelle]

+ The number of autobiographical primes is composite, but the number of autobiographical composites is prime. [Capelle]




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