Q: Is 723,680 a Prime Number?
A: No, 723,680 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 723680 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 4,523 9,046 18,092 22,615 36,184 45,230 72,368 90,460 144,736 180,920 361,840 and 723,680, with no remainder.
Since 723,680 cannot be divided by just 1 and 723,680, it is not a prime number.