10000...01777 (777-digits)

This number is a prime.

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

This is the smallest 777-digit prime. This prime has several interesting properties: 1) it ends in 777; 2) it can be expressed as 10^776 + 1777 and 1777 is prime and finally; 3) it has prime digital sum. [Patterson]