Q: Is 669,000 a Prime Number?
A: No, 669,000 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 669000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 223 250 300 375 446 500 600 669 750 892 1,000 1,115 1,338 1,500 1,784 2,230 2,676 3,000 3,345 4,460 5,352 5,575 6,690 8,920 11,150 13,380 16,725 22,300 26,760 27,875 33,450 44,600 55,750 66,900 83,625 111,500 133,800 167,250 223,000 334,500 and 669,000, with no remainder.
Since 669,000 cannot be divided by just 1 and 669,000, it is not a prime number.