Q: Is 689,900 a Prime Number?
A: No, 689,900 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 689900 can be evenly divided by 1 2 4 5 10 20 25 50 100 6,899 13,798 27,596 34,495 68,990 137,980 172,475 344,950 and 689,900, with no remainder.
Since 689,900 cannot be divided by just 1 and 689,900, it is not a prime number.