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What is the prime number between 20 and 30 one digit is 7 greater than its ten digit?
Well, let's see ...
If it's between 20 and 30, then its ten digit has to be 2.
And if its ten digit is 2, then its one digit has to be 9.
So the real question we have to answer is: "Is 29 a Prime number ?"
The answer is: Yes. So that must be it.
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Name the prime number between 20 and 30 whose ones digit is 7 greater than its tens digit?
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.
What is the difference between the greatest and the least 2-digit prime numbers?
Greatest 2 digit prime number is 97. Lease 2 digit prime number is 11.
What is a single digit that is a prime number and greater than 5?
The only other single-digit number higher than 5 which is a prime number is 7 - 9 is equal to 3 squared, and is thus not a prime number.
Describe the ones digit of any prime number greater than 10?
Any prime number greater than 10 is an odd number but cannot end in 5 as this makes it divisible by 5. Therefore the ones digit of any prime number greater than 10 must be 1, 3, 7 or 9.
What is a two digit prime number with each digit a prime number and the sum a prime number?
23
