Twin primes are prime numbers with a difference of 2.
11 and 13 are twin prime numbers (13-11 = 2), 31 and 37 are not.
37 and 79
They are: 31 and 37
the square root of 37
No.
31 37 41 43 47
The GCF is 1.
13 17 31 37 71 73 79 97
1 + 37 = 387 + 31 = 3819 + 19 = 38
They are: 31 37 41 43 47 53 59 61 and 67
23+29+31+37+41+47+53+59 = 320
Eight pairs. Two prime numbers M and N are twin primes if |M-N| = 2. So here are the list of prime numbers less than 100:2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.There are 8 pairs of twin primes here:3,55,711,1317,1929,3141,4359,6171,73
31 and 37 are the only two so there are two primes between 30 and 40.