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.
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 answer is 961. The square root of 961 is 31, which is a prime number.
How about: 773
6859. Cube root of 9999 is 21.54, so find the largest prime number less than that (19), then cube that number. 19^3=6,859
a prime square
It is a Prime Number.
It is 1 because 7 is a prime number whose only factors are itself and one.
Smallest is 11 & Largest is 77.
73 satisfies your condition.
61 is prime. You cannot make 61 by multiplying four digits.
29 is the answer. 29 is prime. 2+9=11 which is prime. 9-2=7 which is prime.
2 and 3.
It is: 225
A prime number.