Q: Is 161,600 a Prime Number?
A: No, 161,600 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 161600 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 101 160 200 202 320 400 404 505 800 808 1,010 1,600 1,616 2,020 2,525 3,232 4,040 5,050 6,464 8,080 10,100 16,160 20,200 32,320 40,400 80,800 and 161,600, with no remainder.
Since 161,600 cannot be divided by just 1 and 161,600, it is not a prime number.