Not exactly
86 x 9 = 774
87 x 9 = 783
so not an exact number
777/9 = 86.3333
86 times with 3 remaining
777 - 3 = 774 = 9 x 86
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No it is not a prime number. It is divisible by 1, 7, 111 and 777
Yes, the answer is 259. But think: any real number is divisible by 3. Did you intend to put another requirement in the question?
NO. 1110 is not divisible by 9. A number is divisible by 9 if the sum of its digits is divisible by 9. 1110 = 1 + 1 + 1 + 0 = 3 (3 is not divisible by 9, thus, 1110 is not divisible by 9.)
No it is not divisible by 9 .
All numbers divisible by 3 are NOT divisible by 9. As an example, 6, which is divisible by 3, is not divisible by 9. However, all numbers divisible by 9 are also divisible by 3 because 9 is divisible by 3.