no
By any of its factors which are: 1, 3, 107 and 321
321 is divisible by these four numbers: 1, 3, 107, 321.
535 is divisible by 1, 5, 107, 535
1, 2, 3, 6, 107, 214, 321, 642
Yes, 321 is divisible by 3 because the sum of its digits (3 + 2 + 1) equals 6, which is a multiple of 3.
No.
It is divisible by: 1, 53, 107 and 5671
107 is a prime number and is divisible only by 1 and 107.
642 is composite. It is divisible by 2, 3, 107, 214, and 321.
Itself and one because 107 is a prime number
No, it is not.
5671 is not divisible by 7. 1, 53, 107, 5671