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There are 72 prime days in a year because there are 72 prime numbers less than 365 (and 366 alike): 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 353, and 359.
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How many days in September are prime numbers?
September has 19 days that are prime numbers Note: 1 is not prime or composite
How many days are in September have a prime number date and how many have composite number dates how do you know?
September has 19 days that are prime numbers Note: 1 is not prime or composite
How many days make a year?
There are approximately 365 and 1/4 days in a year.
How many days in a normal calender?
365 days and 366 days in a leap year
How many days are in a Michigan school year?
About 180 days and 39 weeks of school.
On a prime day the month and the day are both prime numbers so how many days will occur in the year 2009?
365
If classes were held only on prime numbered days how many school days would there be during the first 100 days of the school year?
50
How many prime days are there in a leap year?
There are 52 prime days in a non leap year. In leap year there would be 53 days. A prime year will never fall on a leap year because leap years are divisible by 4.
How many days in September are prime numbers?
September has 19 days that are prime numbers Note: 1 is not prime or composite
How many days are in September have a prime number date and how many have composite number dates how do you know?
September has 19 days that are prime numbers Note: 1 is not prime or composite
How many prime days does may have?
13
In one month how many prime numbers are there?
In months with 31 days there are 11 prime numbers.In months with 30 days there are 10 prime numbers.In the month of February in a non-leap year there are 9 prime numbers.In the month of February in a leap year there are 10 prime numbers.2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31*Remember a prime number is any number that is divisible by 1 and itself only. Therefore 1 is not a prime number.*
How many days is in year?
There are 365 days in a year. If it is a leap-year, then there are 366 days.
How many days ina year?
There are 365 days in a year
How many days is in year 2009?
365 days this year.
How many earth days are there in a year?
There are 365 days in a year.
How many days in the year 2001?
There are 365 days in a year.
