Q: Is 342,408 a Prime Number?
A: No, 342,408 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 342408 can be evenly divided by 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1,297 2,594 3,891 5,188 7,782 10,376 14,267 15,564 28,534 31,128 42,801 57,068 85,602 114,136 171,204 and 342,408, with no remainder.
Since 342,408 cannot be divided by just 1 and 342,408, it is not a prime number.