September has 19 days that are prime numbers
Note: 1 is not prime or composite
September has 19 days that are prime numbers Note: 1 is not prime or composite
257,885,161 -1 as of 2013. New primes are being calculated all the time, so this will change as new and larger ones are discovered. Also, note that there are infinitely many primes (proved by Euclid around 300 BCE), so there won't ever be a single "highest" prime, only the highest one known.
The largest known prime number was discovered in August 2008.It has about 12.9 million digits - so we won't be reproducing it here!It is one less than 2 raised to the 43112609th power:243112609_-1" Other primes have been found since then but they are smaller numbers.
Average
Think of the numbers on the number line as years, months, or dates of the month. You could explain the event in a text box close to the corresponding date, then draw an arrow from the box to the location of the date on the number line.
10
September has 19 days that are prime numbers Note: 1 is not prime or composite
The answer depends on how the date is written: ddmmyy or ddmmyyyy or mmddyy or mmddyyyy
No. March fourth is a date, not a number.
9
January 25th, 2013
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.
Australian former Prime Minister Kevin Rudd was born on 21st September 1957
9-11 is named after the date september wich is the nineth month and the date 11
210 days from the start date to the end date, end date included.
What date is the mid-september
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.