Q: Is 1,779,720 a Prime Number?
A: No, 1,779,720 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 1779720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 14,831 29,662 44,493 59,324 74,155 88,986 118,648 148,310 177,972 222,465 296,620 355,944 444,930 593,240 889,860 and 1,779,720, with no remainder.
Since 1,779,720 cannot be divided by just 1 and 1,779,720, it is not a prime number.