Q: Is 402,100 a Prime Number?
A: No, 402,100 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 402100 can be evenly divided by 1 2 4 5 10 20 25 50 100 4,021 8,042 16,084 20,105 40,210 80,420 100,525 201,050 and 402,100, with no remainder.
Since 402,100 cannot be divided by just 1 and 402,100, it is not a prime number.