Q: Is 1,742,661 a Prime Number?
A: No, 1,742,661 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 1742661 can be evenly divided by 1 3 9 19 27 43 57 79 129 171 237 387 513 711 817 1,161 1,501 2,133 2,451 3,397 4,503 7,353 10,191 13,509 22,059 30,573 40,527 64,543 91,719 193,629 580,887 and 1,742,661, with no remainder.
Since 1,742,661 cannot be divided by just 1 and 1,742,661, it is not a prime number.