Q: Is 243,136 a Prime Number?
A: No, 243,136 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 243136 can be evenly divided by 1 2 4 8 16 29 32 58 64 116 131 232 262 464 524 928 1,048 1,856 2,096 3,799 4,192 7,598 8,384 15,196 30,392 60,784 121,568 and 243,136, with no remainder.
Since 243,136 cannot be divided by just 1 and 243,136, it is not a prime number.