Q: Is 105,720 a Prime Number?
A: No, 105,720 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 105720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 881 1,762 2,643 3,524 4,405 5,286 7,048 8,810 10,572 13,215 17,620 21,144 26,430 35,240 52,860 and 105,720, with no remainder.
Since 105,720 cannot be divided by just 1 and 105,720, it is not a prime number.