Q: Is 128,877 a Prime Number?
A: No, 128,877 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 128877 can be evenly divided by 1 3 7 17 19 21 51 57 119 133 323 357 361 399 969 1,083 2,261 2,527 6,137 6,783 7,581 18,411 42,959 and 128,877, with no remainder.
Since 128,877 cannot be divided by just 1 and 128,877, it is not a prime number.