it is 23 because 2+3 = 5
Chat with our AI personalities
The largest three digit prime number whose digits are all primes is 773.
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
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.
7777
Two-digit prime numbers whose digits add up to 10 are:193773