Q: Is 3,143,742 a Prime Number?
A: No, 3,143,742 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 3143742 can be evenly divided by 1 2 3 6 7 14 17 21 34 37 42 49 51 74 98 102 111 119 147 222 238 259 289 294 357 518 578 629 714 777 833 867 1,258 1,554 1,666 1,734 1,813 1,887 2,023 2,499 3,626 3,774 4,046 4,403 4,998 5,439 6,069 8,806 10,693 10,878 12,138 13,209 14,161 21,386 26,418 28,322 30,821 32,079 42,483 61,642 64,158 74,851 84,966 92,463 149,702 184,926 224,553 449,106 523,957 1,047,914 1,571,871 and 3,143,742, with no remainder.
Since 3,143,742 cannot be divided by just 1 and 3,143,742, it is not a prime number.