Q: Is 78,450 a Prime Number?
A: No, 78,450 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 78450 can be evenly divided by 1 2 3 5 6 10 15 25 30 50 75 150 523 1,046 1,569 2,615 3,138 5,230 7,845 13,075 15,690 26,150 39,225 and 78,450, with no remainder.
Since 78,450 cannot be divided by just 1 and 78,450, it is not a prime number.