Q: Is 742,880 a Prime Number?
A: No, 742,880 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 742880 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 4,643 9,286 18,572 23,215 37,144 46,430 74,288 92,860 148,576 185,720 371,440 and 742,880, with no remainder.
Since 742,880 cannot be divided by just 1 and 742,880, it is not a prime number.