Q: Is 27,640 a Prime Number?
A: No, 27,640 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 27640 can be evenly divided by 1 2 4 5 8 10 20 40 691 1,382 2,764 3,455 5,528 6,910 13,820 and 27,640, with no remainder.
Since 27,640 cannot be divided by just 1 and 27,640, it is not a prime number.