Q: Is 1,600 a Prime Number?
A: No, 1,600 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 1600 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 and 1,600, with no remainder.
Since 1,600 cannot be divided by just 1 and 1,600, it is not a prime number.