10000...06001 (100-digits)

This number is a prime.

                                            1000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000006001

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

The smaller prime in the first 100-digit twin prime pair. [Luhn]