Q: Is 243,264 a Prime Number?
A: No, 243,264 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 243264 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 181 192 224 336 362 448 543 672 724 1,086 1,267 1,344 1,448 2,172 2,534 2,896 3,801 4,344 5,068 5,792 7,602 8,688 10,136 11,584 15,204 17,376 20,272 30,408 34,752 40,544 60,816 81,088 121,632 and 243,264, with no remainder.
Since 243,264 cannot be divided by just 1 and 243,264, it is not a prime number.