Prime Time

sieve:  a utensil with meshes or holes to separate finer particles from coarser ones or solids from liquids. – Merriam Webster Dictionary Every student who has completed grade school learned about prime numbers.  We learned what they are:  natural numbers greater than 1 with factors of only 1 and themselves.  We learned methods to find them. […]

Nearly Twin Primes

Twin primes are primes that occur is succession with one composite between them.  For example, 3 and 5 are twin primes.  They are primes in that they only have factors 1 and themselves, and then they are twins because they are separated only by one composite which is 4.  The Twin Prime Conjecture claims that […]