Q: Is 782,240 a Prime Number?
A: No, 782,240 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 782240 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 4,889 9,778 19,556 24,445 39,112 48,890 78,224 97,780 156,448 195,560 391,120 and 782,240, with no remainder.
Since 782,240 cannot be divided by just 1 and 782,240, it is not a prime number.