Q: Is 806,560 a Prime Number?
A: No, 806,560 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 806560 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 71 80 142 160 284 355 568 710 1,136 1,420 2,272 2,840 5,041 5,680 10,082 11,360 20,164 25,205 40,328 50,410 80,656 100,820 161,312 201,640 403,280 and 806,560, with no remainder.
Since 806,560 cannot be divided by just 1 and 806,560, it is not a prime number.