13401...01491 (301-digits)

This number is a prime.

                                                     1 3401855797 8203030902
9142285845 4857480734 0677870227 0938755484 1473183824 2033808783 4406828955
7141870056 5464025703 8495796545 1554022800 5598707625 1704557994 6375897267
1270988931 2042801858 0440395901 5540765047 1667907995 8882921239 0927804656
3998441725 8813167026 0845495328 4969473141 1468851408 2268304927 4853701491

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

The largest known prime septuplet as of 2009 starts with this prime: 68841237*701# + 2525568581 {+ 0, 2, 6, 8, 12, 18, 20}. [Andersen]