Q: Is 690,520 a Prime Number?
A: No, 690,520 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 690520 can be evenly divided by 1 2 4 5 8 10 20 40 61 122 244 283 305 488 566 610 1,132 1,220 1,415 2,264 2,440 2,830 5,660 11,320 17,263 34,526 69,052 86,315 138,104 172,630 345,260 and 690,520, with no remainder.
Since 690,520 cannot be divided by just 1 and 690,520, it is not a prime number.