Q: Is 163,625 a Prime Number?
A: No, 163,625 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 163625 can be evenly divided by 1 5 7 11 17 25 35 55 77 85 119 125 175 187 275 385 425 595 875 935 1,309 1,375 1,925 2,125 2,975 4,675 6,545 9,625 14,875 23,375 32,725 and 163,625, with no remainder.
Since 163,625 cannot be divided by just 1 and 163,625, it is not a prime number.