Q: Is 189,920 a Prime Number?
A: No, 189,920 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 189920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 1,187 2,374 4,748 5,935 9,496 11,870 18,992 23,740 37,984 47,480 94,960 and 189,920, with no remainder.
Since 189,920 cannot be divided by just 1 and 189,920, it is not a prime number.