Q: Is 1,215,742 a Prime Number?
A: No, 1,215,742 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 1215742 can be evenly divided by 1 2 11 22 73 146 757 803 1,514 1,606 8,327 16,654 55,261 110,522 607,871 and 1,215,742, with no remainder.
Since 1,215,742 cannot be divided by just 1 and 1,215,742, it is not a prime number.