Q: Is 427,400 a Prime Number?
A: No, 427,400 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 427400 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 2,137 4,274 8,548 10,685 17,096 21,370 42,740 53,425 85,480 106,850 213,700 and 427,400, with no remainder.
Since 427,400 cannot be divided by just 1 and 427,400, it is not a prime number.