Q: Is 1,799,720 a Prime Number?
A: No, 1,799,720 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 1799720 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 3,461 6,922 13,844 17,305 27,688 34,610 44,993 69,220 89,986 138,440 179,972 224,965 359,944 449,930 899,860 and 1,799,720, with no remainder.
Since 1,799,720 cannot be divided by just 1 and 1,799,720, it is not a prime number.