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How many days in September have a prime number date?
10
What is xiii September mmvi?
The Roman numeral XIII represents the number 13 and the Roman numeral MMVI represents the number 2006 so the full date would be 13th September 2006.
What days in September have a prime number date How many have a composite number date Show how you know?
There are 30 days in September. 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29 are prime. 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28 and 30 are composite. 1 is neither. The prime numbers have two factors. The composite numbers have more than two.
What is the greatest 6 prime numbers?
Rank Prime number Found by Found date Number of digits 1st 2^57,885,161 − 1 GIMPS 2013 January 25 17,425,170 2nd 2^43,112,609 − 1 GIMPS 2008 August 23 12,978,189 3rd 2^42,643,801 − 1 GIMPS 2009 April 12 12,837,064 4th 2^37,156,667 − 1 GIMPS 2008 September 6 11,185,272 5th 2^32,582,657 − 1 GIMPS 2006 September 4 9,808,358 6th 2^30,402,457 − 1 GIMPS 2005 December 15 9,152,052
How does Roman numerals 9-17-2006 look?
The date 09-17-2006 can be represented by the Roman numeral IX.XVII.MMVI
