Q: Is 1,242,142 a Prime Number?
A: No, 1,242,142 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 1242142 can be evenly divided by 1 2 11 22 131 262 431 862 1,441 2,882 4,741 9,482 56,461 112,922 621,071 and 1,242,142, with no remainder.
Since 1,242,142 cannot be divided by just 1 and 1,242,142, it is not a prime number.