61 Loading... Follow Share Share with the world Promote Only primes are proper numbers – the rest are just constructed from primes by MeterMan Feb 18, 2021 3 Comments 3 Links #math, #maths, #number, #prime, #primenumbers, #science, No, 4, 6, 8 and 9 aren’t fundamental, just something you can... Read more 3 LinksAdd link