Q: Is 400,380 a Prime Number?
A: No, 400,380 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 400380 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 6,673 13,346 20,019 26,692 33,365 40,038 66,730 80,076 100,095 133,460 200,190 and 400,380, with no remainder.
Since 400,380 cannot be divided by just 1 and 400,380, it is not a prime number.