No.
1506 = 2 X 753 = 2 X 3 X 251. So 251 is the greatest prime factor of 1506.
1506
1506
Gregorian 7 July 1506 is a Saturday. Julian 7 July 1506 is a Tuesday.
Multiples of 9 have 9 as a factor.
1506-1587 1506-1587
No, 3 is a factor of 9.
9 is the greatest factor of 9.
It can be. 9 is a factor of 18.
No, 9 is not a factor of 50.
No, 9 is a factor of 357084
9 is a factor of 1620.