Q: Is 139,720 a Prime Number?
A: No, 139,720 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 139720 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 499 998 1,996 2,495 3,493 3,992 4,990 6,986 9,980 13,972 17,465 19,960 27,944 34,930 69,860 and 139,720, with no remainder.
Since 139,720 cannot be divided by just 1 and 139,720, it is not a prime number.