Q: Is 727,840 a Prime Number?
A: No, 727,840 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 727840 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 4,549 9,098 18,196 22,745 36,392 45,490 72,784 90,980 145,568 181,960 363,920 and 727,840, with no remainder.
Since 727,840 cannot be divided by just 1 and 727,840, it is not a prime number.