Q: Is 209,608 a Prime Number?
A: No, 209,608 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 209608 can be evenly divided by 1 2 4 7 8 14 19 28 38 56 76 133 152 197 266 394 532 788 1,064 1,379 1,576 2,758 3,743 5,516 7,486 11,032 14,972 26,201 29,944 52,402 104,804 and 209,608, with no remainder.
Since 209,608 cannot be divided by just 1 and 209,608, it is not a prime number.