Q: Is 622,000 a Prime Number?
A: No, 622,000 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 622000 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 311 400 500 622 1,000 1,244 1,555 2,000 2,488 3,110 4,976 6,220 7,775 12,440 15,550 24,880 31,100 38,875 62,200 77,750 124,400 155,500 311,000 and 622,000, with no remainder.
Since 622,000 cannot be divided by just 1 and 622,000, it is not a prime number.