Q: Is 72,440 a Prime Number?
A: No, 72,440 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 72440 can be evenly divided by 1 2 4 5 8 10 20 40 1,811 3,622 7,244 9,055 14,488 18,110 36,220 and 72,440, with no remainder.
Since 72,440 cannot be divided by just 1 and 72,440, it is not a prime number.