Q: Is 243,270 a Prime Number?
A: No, 243,270 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 243270 can be evenly divided by 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 53 54 85 90 102 106 135 153 159 170 255 265 270 306 318 459 477 510 530 765 795 901 918 954 1,431 1,530 1,590 1,802 2,295 2,385 2,703 2,862 4,505 4,590 4,770 5,406 7,155 8,109 9,010 13,515 14,310 16,218 24,327 27,030 40,545 48,654 81,090 121,635 and 243,270, with no remainder.
Since 243,270 cannot be divided by just 1 and 243,270, it is not a prime number.