Q: Is 3,940,000 a Prime Number?
A: No, 3,940,000 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 3940000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 197 200 250 394 400 500 625 788 800 985 1,000 1,250 1,576 1,970 2,000 2,500 3,152 3,940 4,000 4,925 5,000 6,304 7,880 9,850 10,000 15,760 19,700 20,000 24,625 31,520 39,400 49,250 78,800 98,500 123,125 157,600 197,000 246,250 394,000 492,500 788,000 985,000 1,970,000 and 3,940,000, with no remainder.
Since 3,940,000 cannot be divided by just 1 and 3,940,000, it is not a prime number.