Q: Is 743,620 a Prime Number?
A: No, 743,620 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 743620 can be evenly divided by 1 2 4 5 10 20 37,181 74,362 148,724 185,905 371,810 and 743,620, with no remainder.
Since 743,620 cannot be divided by just 1 and 743,620, it is not a prime number.