Q: Is 318,750 a Prime Number?
A: No, 318,750 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 318750 can be evenly divided by 1 2 3 5 6 10 15 17 25 30 34 50 51 75 85 102 125 150 170 250 255 375 425 510 625 750 850 1,250 1,275 1,875 2,125 2,550 3,125 3,750 4,250 6,250 6,375 9,375 10,625 12,750 18,750 21,250 31,875 53,125 63,750 106,250 159,375 and 318,750, with no remainder.
Since 318,750 cannot be divided by just 1 and 318,750, it is not a prime number.