This number is a composite.

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

+ The number of primes that end in 7 among the first 100 million primes. A greater number than endings 1, 3, or 9. [Gaydos]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell