Q: Is 511,428 a Prime Number?
A: No, 511,428 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 511428 can be evenly divided by 1 2 3 4 6 12 17 23 34 46 51 68 69 92 102 109 138 204 218 276 327 391 436 654 782 1,173 1,308 1,564 1,853 2,346 2,507 3,706 4,692 5,014 5,559 7,412 7,521 10,028 11,118 15,042 22,236 30,084 42,619 85,238 127,857 170,476 255,714 and 511,428, with no remainder.
Since 511,428 cannot be divided by just 1 and 511,428, it is not a prime number.