Question

The G.C.D. of any two distinct three digited prime numbers is​

Answer 1

Answer:

The greatest common divisor (archaic: greatest common factor) of two integers a and b is the largest integer that divides them both. This is usually denoted by gcd(a,b), and sometimes by (a,b). For example, gcd(24,84)=12, gcd(-5,-100)=5, and gcd(46,111)=1.

Step-by-step explanation:

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Answer 2

doesn't require any theory , just count them
13,17,31,37,71,73,79,97
So the answer is 8