No, it is not.
Yes. The result is 43.
No. 215 is divisible by: 1, 5, 43, 215.
3 is not divisible by 43.
215 is divisble by 1, 5, 43 and 215.
No. 215 is divisible by numbers other than 1 and itself. It is divisible by 5 and 43 also.
43 is not a multiple of 4, therefore it is not exactly divisible by 4. 43 ÷ 4 = 10.75
43/10 is 4.3, which is not an integer; therefore it is not divisible by ten.
All integers are divisible.
1, 3, 5, 15, 43, 129, 215, 645.
1, 5, 43, 59, 215, 295, 2537, 12685.
Factors of 745 include: 5 1 745 15 43
3 is not divisible by 126. 126 is divisible by 3.