Advertisements
Advertisements
Question
The numbers 13 and 31 are prime numbers. Both these numbers have the same digits 1 and 3. Find such pairs of prime numbers up to 100.
Advertisements
Solution
17 and 71,
19 and 91,
37 and 73
79 and 97
There are required pairs of numbers up to 100.
APPEARS IN
RELATED QUESTIONS
Express the following number as the sum of two odd prime:
84
Write all prime numbers between 50 and 100.
The LCM of two co-prime numbers is their
1 is neither ______ nor ______.
Write 'T' for true and 'F' for false for the following statement.
Every prime number is odd.
Write 'T' for true and 'F' for false for the following statement.
The sum of two odd numbers is always odd.
Which of the prime numbers are even numbers?
What is the greatest prime number between 1 and 10?
Express the following as the sum of two odd prime.
18
Express the following number as the sum of three odd primes:
61
