Q: Is 43,428 a Prime Number?
A: No, 43,428 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 43428 can be evenly divided by 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 47 66 77 84 94 132 141 154 188 231 282 308 329 462 517 564 658 924 987 1,034 1,316 1,551 1,974 2,068 3,102 3,619 3,948 6,204 7,238 10,857 14,476 21,714 and 43,428, with no remainder.
Since 43,428 cannot be divided by just 1 and 43,428, it is not a prime number.