Question

14. Find the possible missing twins for the following numbers so that they become twin primes. (a) 31 (b) 89 (c) 103​

Answer 1

Step-by-step explanation:

Twin primes: Two prime numbers are said to be twin primes if there is only one composite number between them.

So, twin prime number can be obtained by adding or subtracting 2 to the given number.

89+2=91, or 89−2=87

but 87 is not a prime number.

∴89,91 -Twin primes

Answer 2

Step-by-step explanation:

(a) 29 ,31

(b) 89 ,91

(c) 101 ,103