Q: Is 123,408 a Prime Number?
A: No, 123,408 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 123408 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 857 1,714 2,571 3,428 5,142 6,856 7,713 10,284 13,712 15,426 20,568 30,852 41,136 61,704 and 123,408, with no remainder.
Since 123,408 cannot be divided by just 1 and 123,408, it is not a prime number.