Q: Is 42,978 a Prime Number?
A: No, 42,978 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 42978 can be evenly divided by 1 2 3 6 13 19 26 29 38 39 57 58 78 87 114 174 247 377 494 551 741 754 1,102 1,131 1,482 1,653 2,262 3,306 7,163 14,326 21,489 and 42,978, with no remainder.
Since 42,978 cannot be divided by just 1 and 42,978, it is not a prime number.