13 and 31 both are prime numbers. in both numbers, 1 and 3 are common

1.	13 and 31 both are prime numbers. in both numbers, 1 and 3 are common .now, make four pairs of such prime numbers from 1 to 100.please answer me please answer it's urgent please answer me
Answer» Answer: prime NUMBERS up to 100 having same DIGITS are: (i) 13,31 (ii) 17,71 (iii) 37, 73 (VI) 79,97 hence, there are 4 pairs of such TYPE.

13 and 31 both are prime numbers. in both numbers, 1 and 3 are common .now, make four pairs of such prime numbers from 1 to 100.please answer me please answer it's urgent please answer me

Answer»

Answer:

prime NUMBERS up to 100 having same DIGITS are:

(i) 13,31 (ii) 17,71 (iii) 37, 73 (VI) 79,97

hence, there are 4 pairs of such TYPE.