Q: Is 3,120,140 a Prime Number?
A: No, 3,120,140 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 3120140 can be evenly divided by 1 2 4 5 10 20 156,007 312,014 624,028 780,035 1,560,070 and 3,120,140, with no remainder.
Since 3,120,140 cannot be divided by just 1 and 3,120,140, it is not a prime number.