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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 144 is the smallest threedigit number in which the sum of the unique digits of the number equals the sum of its unique prime divisors (2 x 2 x 2 x 2 x 3 x 3 = 144 and 1 + 4 = 5 = 2 + 3). [Cramer] The smallest Fibonacci number divisible by the first two primes. [Gupta] If A=1, B=2, C=3, ..., Z=26, then the square root of COUSIN PRIME {1/+1} are both cousin primes [Homewood]
(There are 4 curios for this number that have not yet been approved by an editor.) To link to this page use /curios/page.php?number_id=873
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