Q: Is 105,920 a Prime Number?
A: No, 105,920 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 105920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 331 662 1,324 1,655 2,648 3,310 5,296 6,620 10,592 13,240 21,184 26,480 52,960 and 105,920, with no remainder.
Since 105,920 cannot be divided by just 1 and 105,920, it is not a prime number.