Q: Is 307,640 a Prime Number?
A: No, 307,640 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 307640 can be evenly divided by 1 2 4 5 8 10 20 40 7,691 15,382 30,764 38,455 61,528 76,910 153,820 and 307,640, with no remainder.
Since 307,640 cannot be divided by just 1 and 307,640, it is not a prime number.