Q: Is 742,240 a Prime Number?
A: No, 742,240 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 742240 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 4,639 9,278 18,556 23,195 37,112 46,390 74,224 92,780 148,448 185,560 371,120 and 742,240, with no remainder.
Since 742,240 cannot be divided by just 1 and 742,240, it is not a prime number.