Q: Is 778,402 a Prime Number?
A: No, 778,402 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 778402 can be evenly divided by 1 2 131 262 2,971 5,942 389,201 and 778,402, with no remainder.
Since 778,402 cannot be divided by just 1 and 778,402, it is not a prime number.