Q: Is 743,628 a Prime Number?
A: No, 743,628 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 743628 can be evenly divided by 1 2 3 4 6 12 31 62 93 124 186 372 1,999 3,998 5,997 7,996 11,994 23,988 61,969 123,938 185,907 247,876 371,814 and 743,628, with no remainder.
Since 743,628 cannot be divided by just 1 and 743,628, it is not a prime number.