As of August 2017, the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618digits.
It is known as a composite number.
As of August 2017, the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618digits.
As of August 2017, the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618digits.
It is the only known even prime number which makes 2 very special.
2 is the only known even prime number
No because 2 is a rational number and it is also the only known even prime number.
The only known even prime number is 2
The opposite of doubling a number is halving it. This is also known as multiplying by 1/2 or .5 or dividing by 2.
The binary system.
As of January 2017 , the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618digits.
The number 22 is known as "two little ducks" in bingo.