Q: Is 4,000 a Prime Number?
A: No, 4,000 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 4000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1,000 2,000 and 4,000, with no remainder.
Since 4,000 cannot be divided by just 1 and 4,000, it is not a prime number.