Q: Is 745,720 a Prime Number?
A: No, 745,720 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 745720 can be evenly divided by 1 2 4 5 8 10 20 40 103 181 206 362 412 515 724 824 905 1,030 1,448 1,810 2,060 3,620 4,120 7,240 18,643 37,286 74,572 93,215 149,144 186,430 372,860 and 745,720, with no remainder.
Since 745,720 cannot be divided by just 1 and 745,720, it is not a prime number.