Q: Is 742,558 a Prime Number?
A: No, 742,558 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 742558 can be evenly divided by 1 2 19 38 19,541 39,082 371,279 and 742,558, with no remainder.
Since 742,558 cannot be divided by just 1 and 742,558, it is not a prime number.