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If a two-digit number less than 40 is divisible by only one prime number The sum and the difference between the digits is also a prime number thus what is the number?
16
What is the largest two-digit number that is prime and has prime numbers for both of its digits?
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
Does reversing the order of the digits of a two digit prime number always result in a prime number?
No, reversing the order of the digits of a two-digit prime number does not always result in a prime number.
What is the largest 2 digit number that is both prime and has prime numbers for both of its digits?
73 is the largest 2 digit number that is both prime and has prime numbers for both of its digits.
Which the largest 3 digit prime number whose digits all primes?
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
What is the greatest 2 digit prime number that each of the 2 digits are prime and the 2 digits sum is prime as well?
The number is 23.
What are the largest three digit prime number whose digits are all primes?
The largest three digit prime number whose digits are all primes is 773.
Is 4342 a prime number?
No, any whole number ending in a digit divisible by 2 is also divisible by 2 and therefore not a prime number.
What is the highest 2 digit prime number?
99 is not a prime because it can be divisible by 3 and 33
Explain why 45 is not a prime number?
Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.Any number that ends with the digit 5 is divisible by 5.
Is 304 a prime number?
304 is NOT a prime number because its last digit is 4, an even digit causing it to be divisible by 2.
What is the lowest two digit prime number in which both digits are prime?
23
