Q: Is 128,620 a Prime Number?
A: No, 128,620 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 128620 can be evenly divided by 1 2 4 5 10 20 59 109 118 218 236 295 436 545 590 1,090 1,180 2,180 6,431 12,862 25,724 32,155 64,310 and 128,620, with no remainder.
Since 128,620 cannot be divided by just 1 and 128,620, it is not a prime number.