Q: Is 526,661 a Prime Number?
A: No, 526,661 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 526661 can be evenly divided by 1 19 53 523 1,007 9,937 27,719 and 526,661, with no remainder.
Since 526,661 cannot be divided by just 1 and 526,661, it is not a prime number.