Q: Is 1,218,742 a Prime Number?
A: No, 1,218,742 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 1218742 can be evenly divided by 1 2 7 14 263 331 526 662 1,841 2,317 3,682 4,634 87,053 174,106 609,371 and 1,218,742, with no remainder.
Since 1,218,742 cannot be divided by just 1 and 1,218,742, it is not a prime number.