Question

test the divisibility of the following number by 11: 86611291​

Answer 1

Answer:

not divisible

Step-by-step explanation:

separate  digits in the way:

8,6,1,9    and 6,1,2,1

sum of both groups = 24 & 10 respectively

24 - 10 = 14 isn't a multiple of 11, so 86611291 is also not divisible by 11