Q: Is 165,550 a Prime Number?
A: No, 165,550 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 165550 can be evenly divided by 1 2 5 7 10 11 14 22 25 35 43 50 55 70 77 86 110 154 175 215 275 301 350 385 430 473 550 602 770 946 1,075 1,505 1,925 2,150 2,365 3,010 3,311 3,850 4,730 6,622 7,525 11,825 15,050 16,555 23,650 33,110 82,775 and 165,550, with no remainder.
Since 165,550 cannot be divided by just 1 and 165,550, it is not a prime number.