Q: Is 1,097,660 a Prime Number?
A: No, 1,097,660 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 1097660 can be evenly divided by 1 2 4 5 10 20 71 142 284 355 710 773 1,420 1,546 3,092 3,865 7,730 15,460 54,883 109,766 219,532 274,415 548,830 and 1,097,660, with no remainder.
Since 1,097,660 cannot be divided by just 1 and 1,097,660, it is not a prime number.