28
This number is a composite.
Just showing those entries submitted by 'Costello': (Click here to show all)
28 is a
semiprime. [Abbott and
Costello]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
Just showing those entries submitted by 'Costello': (Click here to show all)
28 is a
semiprime. [Abbott and
Costello]