109
This number is a prime.
Just showing those entries submitted by 'Bui Quang Tuan': (Click here to show all)
109 = (10*9) + (10+9). [Bui Quang Tuan]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
Just showing those entries submitted by 'Bui Quang Tuan': (Click here to show all)
109 = (10*9) + (10+9). [Bui Quang Tuan]