Q: Is 723,400 a Prime Number?
A: No, 723,400 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 723400 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 3,617 7,234 14,468 18,085 28,936 36,170 72,340 90,425 144,680 180,850 361,700 and 723,400, with no remainder.
Since 723,400 cannot be divided by just 1 and 723,400, it is not a prime number.