Q: Is 765,220 a Prime Number?
A: No, 765,220 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 765220 can be evenly divided by 1 2 4 5 10 20 38,261 76,522 153,044 191,305 382,610 and 765,220, with no remainder.
Since 765,220 cannot be divided by just 1 and 765,220, it is not a prime number.