Q: What is the lowest two digit prime number in which both digits are prime?

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The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.

The lowest two-digit prime number is 11.11.

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

I'm taking that to mean the earliest string of 7 digits in pi which are a prime number. There's one just three decimal places in: 3.141592653, and it actually overlaps with the next one, 6535897.

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

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four The lowest 5 digits prime number is 10007

The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.

The lowest two-digit prime number is 11.11.

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

No, reversing the order of the digits of a two-digit prime number does not always result in a prime number.

I'm taking that to mean the earliest string of 7 digits in pi which are a prime number. There's one just three decimal places in: 3.141592653, and it actually overlaps with the next one, 6535897.

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

The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.

The largest three digit prime number whose digits are all primes is 773.

The number is 23.

73

The smallest two-digit prime number whose digits themselves are prime is 23. Both 2 and 3 are prime numbers, and together they form the prime number 23.