Q: Is 129,408 a Prime Number?
A: No, 129,408 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 129408 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 337 384 674 1,011 1,348 2,022 2,696 4,044 5,392 8,088 10,784 16,176 21,568 32,352 43,136 64,704 and 129,408, with no remainder.
Since 129,408 cannot be divided by just 1 and 129,408, it is not a prime number.