Q: Is 209,625 a Prime Number?
A: No, 209,625 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 209625 can be evenly divided by 1 3 5 13 15 25 39 43 65 75 125 129 195 215 325 375 559 645 975 1,075 1,625 1,677 2,795 3,225 4,875 5,375 8,385 13,975 16,125 41,925 69,875 and 209,625, with no remainder.
Since 209,625 cannot be divided by just 1 and 209,625, it is not a prime number.