Q: Is 780,380 a Prime Number?
A: No, 780,380 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 780380 can be evenly divided by 1 2 4 5 10 20 39,019 78,038 156,076 195,095 390,190 and 780,380, with no remainder.
Since 780,380 cannot be divided by just 1 and 780,380, it is not a prime number.