Q: Is 742,287 a Prime Number?
A: No, 742,287 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 742287 can be evenly divided by 1 3 7 13 21 39 91 273 2,719 8,157 19,033 35,347 57,099 106,041 247,429 and 742,287, with no remainder.
Since 742,287 cannot be divided by just 1 and 742,287, it is not a prime number.