Prime numbers between 60 and 100 are ,
61,67, 71, 73, 79, 83, 87, 89, 91, 97,
Answer '71'. Because 7 - 1 = 6.
The largest three digit prime number whose digits are all primes is 773.
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.
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
67
The prime number between 20 and 30 whose ones digit is 7 greater than its tens digit is 23. The tens digit is 2, and the ones digit is 3, which is 7 greater than 2. Additionally, 23 is a prime number because it is only divisible by 1 and itself, with no other factors.
The largest three digit prime number whose digits are all primes is 773.
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.
There is no three digit prime number whose square root is a prime number. Prime numbers have no factors other than 1 and themselves. Any number having a prime number as a square root is a composite number.
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
67
The prime number between 20 and 30 whose ones digit is 7 greater than its tens digit is 23. The tens digit is 2, and the ones digit is 3, which is 7 greater than 2. Additionally, 23 is a prime number because it is only divisible by 1 and itself, with no other factors.
9409
6859
97969
121
961
7777