Q: Is 8,665,660 a Prime Number?
A: No, 8,665,660 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8665660 can be evenly divided by 1 2 4 5 10 20 61 122 244 305 610 1,220 7,103 14,206 28,412 35,515 71,030 142,060 433,283 866,566 1,733,132 2,166,415 4,332,830 and 8,665,660, with no remainder.
Since 8,665,660 cannot be divided by just 1 and 8,665,660, it is not a prime number.