Q: Is 1,187,320 a Prime Number?
A: No, 1,187,320 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 1187320 can be evenly divided by 1 2 4 5 8 10 20 40 29,683 59,366 118,732 148,415 237,464 296,830 593,660 and 1,187,320, with no remainder.
Since 1,187,320 cannot be divided by just 1 and 1,187,320, it is not a prime number.