Q: Is 3,687,940 a Prime Number?
A: No, 3,687,940 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 3687940 can be evenly divided by 1 2 4 5 10 20 97 194 388 485 970 1,901 1,940 3,802 7,604 9,505 19,010 38,020 184,397 368,794 737,588 921,985 1,843,970 and 3,687,940, with no remainder.
Since 3,687,940 cannot be divided by just 1 and 3,687,940, it is not a prime number.