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(just those submitted by Crespi de Valldaura)
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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 'Crespi de Valldaura': (Click here to show all)

Prime Numbers CD Image J. Neptune © 1994
+ The least integer such that the sum of its digits in every base B = 2, 3, 4, 5, 6, 7, 8 is prime. [Crespi de Valldaura]

+ The least prime that is the sum of two fourth powers, 14 + 24. [Crespi de Valldaura]

+ 172 can be expressed as the sum of 1, 2, 3, 4, 5, 6, 7, 8 distinct squares. [Crespi de Valldaura]




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