Q: Is 1,203,990 a Prime Number?
A: No, 1,203,990 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 1203990 can be evenly divided by 1 2 3 5 6 10 15 30 67 134 201 335 402 599 670 1,005 1,198 1,797 2,010 2,995 3,594 5,990 8,985 17,970 40,133 80,266 120,399 200,665 240,798 401,330 601,995 and 1,203,990, with no remainder.
Since 1,203,990 cannot be divided by just 1 and 1,203,990, it is not a prime number.