Q: Is 231,408 a Prime Number?
A: No, 231,408 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 231408 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1,607 3,214 4,821 6,428 9,642 12,856 14,463 19,284 25,712 28,926 38,568 57,852 77,136 115,704 and 231,408, with no remainder.
Since 231,408 cannot be divided by just 1 and 231,408, it is not a prime number.