Q: Is 387,140 a Prime Number?
A: No, 387,140 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 387140 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 1,489 2,978 5,956 7,445 14,890 19,357 29,780 38,714 77,428 96,785 193,570 and 387,140, with no remainder.
Since 387,140 cannot be divided by just 1 and 387,140, it is not a prime number.