Q: Is 125,720 a Prime Number?
A: No, 125,720 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 125720 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 449 898 1,796 2,245 3,143 3,592 4,490 6,286 8,980 12,572 15,715 17,960 25,144 31,430 62,860 and 125,720, with no remainder.
Since 125,720 cannot be divided by just 1 and 125,720, it is not a prime number.