Question

13 and 31 both are prime number . in both numbers , 1 and 3 are common. Now, make four pairs of such prime numbers from 1 to 100.​

Answer 1

Answer:

17 and 71, 19 and 91, 37 and 73, 79 and 97

Step-by-step explanation:

note that all these are odd nos. since on reversing even nos. we get a multiple of 2

also cannot be 5.

1, 3, 7 and 9 are used here.

if it helped, pls mark as brainliest!