Q: Is 878,261 a Prime Number?
A: No, 878,261 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 878261 can be evenly divided by 1 31 41 691 1,271 21,421 28,331 and 878,261, with no remainder.
Since 878,261 cannot be divided by just 1 and 878,261, it is not a prime number.