Q: Is 388,240 a Prime Number?
A: No, 388,240 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 388240 can be evenly divided by 1 2 4 5 8 10 16 20 23 40 46 80 92 115 184 211 230 368 422 460 844 920 1,055 1,688 1,840 2,110 3,376 4,220 4,853 8,440 9,706 16,880 19,412 24,265 38,824 48,530 77,648 97,060 194,120 and 388,240, with no remainder.
Since 388,240 cannot be divided by just 1 and 388,240, it is not a prime number.