Q: Is 743,640 a Prime Number?
A: No, 743,640 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 743640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 6,197 12,394 18,591 24,788 30,985 37,182 49,576 61,970 74,364 92,955 123,940 148,728 185,910 247,880 371,820 and 743,640, with no remainder.
Since 743,640 cannot be divided by just 1 and 743,640, it is not a prime number.