No.
No it isn't.
No.
Yes, it is.
Yes.
810 is divisible by 2, 4
2 yes, the rest no.
Any multiple of 90.
2,3,5,6,6,10 is what I meant I asked this question
90 and all of its multiples.
1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020
1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020
8020 as a fraction = 8020/1