3,5
5,7
11,13
17,19
29,31
41,43
59,61
71,73
101,103
107,109
137,139
149,151
179,181
191,193
197,199
227,229
239,241
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There are 35 pairs of twin prime numbers totaling 69 numbers (prime number 5 appears twice in the twin pairs) between 0 and 1000.
The only twin primes between 70 and 100 are 71 and 73.
Twin primes
No, 51 and 53 are not twin primes. Twin primes are a pair of prime numbers that have a difference of 2 between them. In this case, 53 is a prime number, but 51 is not a prime number as it can be divided by 3. Twin primes examples include 3 and 5, 11 and 13, and 17 and 19.
Two prime numbers which differ by 2 are called "twin primes".