No it isn't.
Yes.
Yes, it is.
No.
810 is divisible by 2, 4
Any multiple of 90.
2 yes, the rest no.
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