Q: Is 385,540 a Prime Number?
A: No, 385,540 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 385540 can be evenly divided by 1 2 4 5 10 20 37 74 148 185 370 521 740 1,042 2,084 2,605 5,210 10,420 19,277 38,554 77,108 96,385 192,770 and 385,540, with no remainder.
Since 385,540 cannot be divided by just 1 and 385,540, it is not a prime number.