Q: Is 135,408 a Prime Number?
A: No, 135,408 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 135408 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 31 39 42 48 52 56 62 78 84 91 93 104 112 124 156 168 182 186 208 217 248 273 312 336 364 372 403 434 496 546 624 651 728 744 806 868 1,092 1,209 1,302 1,456 1,488 1,612 1,736 2,184 2,418 2,604 2,821 3,224 3,472 4,368 4,836 5,208 5,642 6,448 8,463 9,672 10,416 11,284 16,926 19,344 22,568 33,852 45,136 67,704 and 135,408, with no remainder.
Since 135,408 cannot be divided by just 1 and 135,408, it is not a prime number.