Q: Is 1,203,426 a Prime Number?
A: No, 1,203,426 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 1203426 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 9,551 19,102 28,653 57,306 66,857 85,959 133,714 171,918 200,571 401,142 601,713 and 1,203,426, with no remainder.
Since 1,203,426 cannot be divided by just 1 and 1,203,426, it is not a prime number.