Q: Is 513,640 a Prime Number?
A: No, 513,640 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 513640 can be evenly divided by 1 2 4 5 8 10 20 40 12,841 25,682 51,364 64,205 102,728 128,410 256,820 and 513,640, with no remainder.
Since 513,640 cannot be divided by just 1 and 513,640, it is not a prime number.