Q: Is 667,500 a Prime Number?
A: No, 667,500 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 667500 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 89 100 125 150 178 250 267 300 356 375 445 500 534 625 750 890 1,068 1,250 1,335 1,500 1,780 1,875 2,225 2,500 2,670 3,750 4,450 5,340 6,675 7,500 8,900 11,125 13,350 22,250 26,700 33,375 44,500 55,625 66,750 111,250 133,500 166,875 222,500 333,750 and 667,500, with no remainder.
Since 667,500 cannot be divided by just 1 and 667,500, it is not a prime number.