Q: Is 1,289,742 a Prime Number?
A: No, 1,289,742 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 1289742 can be evenly divided by 1 2 3 6 43 86 129 258 4,999 9,998 14,997 29,994 214,957 429,914 644,871 and 1,289,742, with no remainder.
Since 1,289,742 cannot be divided by just 1 and 1,289,742, it is not a prime number.