Eight pairs.
There are ten prime numbers between 51-100.
There are 25 prime numbers between 1 and 100.
Mirror primes are pairs of prime numbers whose digits are reversed. (13,31)(17,71)(37,73)(79,97)
There are 25 prime numbers less than 100
6
7
Eight pairs.
One pair.
The 15 twin prime numbers between 1 and 100 are in 8 pairs. The twin prime pairs are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), and (71, 73).
There are 25 prime numbers less than 100
There are 25 prime numbers between 1 and 100.
100
The answer depends on how many prime numbers are whose!
As a product of its prime factors: 2*2*5*5 = 100
There are ten prime numbers between 51-100.
There are 25 prime numbers between 1 and 100.