Q: Is 1,142,043 a Prime Number?
A: No, 1,142,043 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 1142043 can be evenly divided by 1 3 7 17 21 49 51 119 147 357 457 833 1,371 2,499 3,199 7,769 9,597 22,393 23,307 54,383 67,179 163,149 380,681 and 1,142,043, with no remainder.
Since 1,142,043 cannot be divided by just 1 and 1,142,043, it is not a prime number.