13298267

This number is a composite.

Just showing those entries submitted by 'Hartley': (Click here to show all)

Each of the 30 numbers 13298267 + 1887270 k, k=0..29 is a "semiprime" (a product of two primes). There is no longer Arithmetic Progression of semiprimes whose terms are all less than 10^8. [Hartley]