1-10 AD had the years 2, 3, 5, and 7, which were prime numbers.
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They are the first 2000 numbers that have only 2 factors which are themselves and one
Prime numbers can not composite as - Prime number has only 2 factors whereas composite have more than 2
Numbers with only two factors, the number itself and one, are called prime numbers. Examples of prime numbers are 2 (which is the only even prime number) and 17.
Rules for prime numbers: Must be a whole number (integer) Greater than 1 2 is the only even prime number Can only be divided by 1 or itself gives: 2,3,5,7,11,13,17,19
Prime numbers are those numbers which are only divisible by itself Likewise, 1,3,5,7,11,13,17,19,23,,29,31,37,41,43,47,51,53,57,59. These are the only prime numbers upto 60.