Q: Is 12,456 a Prime Number?
A: No, 12,456 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 12456 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 36 72 173 346 519 692 1,038 1,384 1,557 2,076 3,114 4,152 6,228 and 12,456, with no remainder.
Since 12,456 cannot be divided by just 1 and 12,456, it is not a prime number.