No
681 is divisible by 3 and 9.
Yes.
true
SOME (meaning not all) are: 1362, 2043, 2724,3405...
2,740 is divisible by 1 and itself, as well as these factors: 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370.
Any of its factors which are: 1, 3, 227 and 681
No, both are divisible by 2.No, both are divisible by 2.No, both are divisible by 2.No, both are divisible by 2.
2 is not divisible by 19008. 19008 is divisible by 2.
351 is not divisible by 2. 2 is not divisible by 351.
The factors of 681 are: 1 3 227 681
2 is not divisible by 972. 972 is divisible by 2.
2 is not divisible by 870. 870 is divisible by 2.