Q: Is 389,920 a Prime Number?
A: No, 389,920 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 389920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 2,437 4,874 9,748 12,185 19,496 24,370 38,992 48,740 77,984 97,480 194,960 and 389,920, with no remainder.
Since 389,920 cannot be divided by just 1 and 389,920, it is not a prime number.