Q: Is 385,518 a Prime Number?
A: No, 385,518 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 385518 can be evenly divided by 1 2 3 6 7 14 21 42 67 134 137 201 274 402 411 469 822 938 959 1,407 1,918 2,814 2,877 5,754 9,179 18,358 27,537 55,074 64,253 128,506 192,759 and 385,518, with no remainder.
Since 385,518 cannot be divided by just 1 and 385,518, it is not a prime number.