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What is the largest 4 digit number whose square root is a prime number?
9409
What is the largest three digit number whose square root is a prime?
961
What is the largest 3 digit prime each of whose digits is a prime?
773.
What is a two digit prime number whose digits add up to 13?
67
A prime number whose digit sum is 7?
I would say: 43 Or 7
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.
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 largest 4 digit number whose square root is a prime number?
9409
What is the largest four-digit number whose cube root is a prime number?
6859
What is the largest 5 digit number whose square root is a prime number?
97969
What is the largest three digit number whose square root is a prime?
961
What is the largest four-digit number whose digits are all prime?
7777
Largest three digit prime number whose digits are all primes?
How about: 773
What is the largest 3 digit prime number whose square root is a prime number?
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.
What is the largest 3 digit number whose square root is a prime number?
The answer is 961. The square root of 961 is 31, which is a prime number.
What is the largest 3 digit prime each of whose digits is a prime?
773.
What is the largest 2 digit number with exactly 3 factors?
The largest two-digit number with exactly three factors is 99. A number has exactly three factors if it is the square of a prime number, specifically in the form ( p^2 ) where ( p ) is a prime. The only prime number whose square is a two-digit number is 7, since ( 7^2 = 49 ) and ( 11^2 = 121 ) exceeds two digits. Thus, 49 is the largest two-digit number with exactly three factors.
