Q: Is 1,257,000 a Prime Number?
A: No, 1,257,000 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 1257000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 419 500 600 750 838 1,000 1,257 1,500 1,676 2,095 2,514 3,000 3,352 4,190 5,028 6,285 8,380 10,056 10,475 12,570 16,760 20,950 25,140 31,425 41,900 50,280 52,375 62,850 83,800 104,750 125,700 157,125 209,500 251,400 314,250 419,000 628,500 and 1,257,000, with no remainder.
Since 1,257,000 cannot be divided by just 1 and 1,257,000, it is not a prime number.