Q: Is 1,209,142 a Prime Number?
A: No, 1,209,142 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 1209142 can be evenly divided by 1 2 11 17 22 34 53 61 106 122 187 374 583 671 901 1,037 1,166 1,342 1,802 2,074 3,233 6,466 9,911 11,407 19,822 22,814 35,563 54,961 71,126 109,922 604,571 and 1,209,142, with no remainder.
Since 1,209,142 cannot be divided by just 1 and 1,209,142, it is not a prime number.