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Q: Which is the largest 2 -digit prime number?

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97=largest 2 digit prime

The largest 2-digit prime number is 97.

73 is the largest 2 digit number that is both prime and has prime numbers for both of its digits.

The only even prime number is 2.

The largest staircase comosite largest staircase composite is the number 2223 because 1 is not counted as a prime so the 1 digit prime is 2, the smalles 2 digit prime is 11 and smallest 3 digit prime is 101

the biggest 2 didget that is a prime nimber is 97

The 3 largest 2 digit prime numbers are 83, 89, and 97. The sum is 269

97A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 97 is the largest 2 digit prime number.

It is: 97

As of October 2015, the largest known prime number is 2^57,885,161 − 1, a number with 17,425,170 digits.

Greatest 2 digit prime number is 97. Lease 2 digit prime number is 11.

800 2x2x2x2x2x5x5

It is: 97*2 = 194

11 is the smallest 2-digit prime number and 97 is the greatest 2 digit prime number, so their difference is 86

73 ÷ 71 = 1.02

43 is a 2 digit odd number but it is a prime number

The Mersenne prime M(43112609) which is 2^43112609 - 1 has 12,978,189 digits. It is the third largest prime known as of 2016.

To be an even number then the final digit = 2. The largest single prime digit is 7 (as both 8 and 9 are composite). The greatest even number fulfilling the conditions is 77777772.

The smallest is 11 and the largest is 97.

No. When adding the smallest 2 digit number (= 10) to the smallest 2 digit number (again, 10) the result is a 2 digit number (10 + 10 = 20). When adding the largest 2 digit number (= 99) to the largest 2 digit number (again, 99) the result is a 3 digit number (99 + 99 = 198). As you can see, you'll either get a 2 or 3 digit number, but never a 4 digit number.

11 is the smallest 2 digit prime and 11^2=121

the largest two didgit number is 99

304 is NOT a prime number because its last digit is 4, an even digit causing it to be divisible by 2.

The lowest two-digit prime number is 11.11.

43 is a 2-digit odd number. It is prime.