Q: Is 742,816 a Prime Number?
A: No, 742,816 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 742816 can be evenly divided by 1 2 4 8 16 32 139 167 278 334 556 668 1,112 1,336 2,224 2,672 4,448 5,344 23,213 46,426 92,852 185,704 371,408 and 742,816, with no remainder.
Since 742,816 cannot be divided by just 1 and 742,816, it is not a prime number.