Q: Is 1,187,408 a Prime Number?
A: No, 1,187,408 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 1187408 can be evenly divided by 1 2 4 8 16 47 94 188 376 752 1,579 3,158 6,316 12,632 25,264 74,213 148,426 296,852 593,704 and 1,187,408, with no remainder.
Since 1,187,408 cannot be divided by just 1 and 1,187,408, it is not a prime number.