Q: Is 243,712 a Prime Number?
A: No, 243,712 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 243712 can be evenly divided by 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 256 272 448 476 512 544 896 952 1,024 1,088 1,792 1,904 2,048 2,176 3,584 3,808 4,352 7,168 7,616 8,704 14,336 15,232 17,408 30,464 34,816 60,928 121,856 and 243,712, with no remainder.
Since 243,712 cannot be divided by just 1 and 243,712, it is not a prime number.