Author Topic: How many twin prime numbers under 100 and 1000?  (Read 4814 times)

kathir

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How many twin prime numbers under 100 and 1000?
« on: November 28, 2011, 12:43:24 pm »
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Total number of twin prime numbers under 100 = 8
(3,5)
(5,7)
(11,13)
(17,19)
(29,31)
(41,43)
(59,61)
(71,73)


Total number of twin prime numbers under 1000 = 35
(3,5)
(5,7)
(11,13)
(17,19)
(29,31)
(41,43)
(59,61)
(71,73)
(101,103)
(107,109)
(137,139)
(149,151)
(179,181)
(191,193)
(197,199)
(227,229)
(239,241)
(269,271)
(281,283)
(311,313)
(347,349)
(419,421)
(431,433)
(461,463)
(521,523)
(569,571)
(599,601)
(617,619)
(641,643)
(659,661)
(809,811)
(821,823)
(827,829)
(857,859)
(881,883)

 


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