Primes, Twin Primes, and My Mom’s Bday

Today is my mom’s birthday and something very special happened… We’re 5 in our family, my brother, my sister, me, my mom and my dad, and all our ages are prime numbers: 29, 31, 37, 61, 67!

I thought this was very cool, and decided to explore more.

Just to recall, a prime number is a natural number greater than 1, that has only 1 and itself as a divisor. Twin primes are…