Q: Is 661,265 a Prime Number?
A: No, 661,265 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 661265 can be evenly divided by 1 5 11 55 121 605 1,093 5,465 12,023 60,115 132,253 and 661,265, with no remainder.
Since 661,265 cannot be divided by just 1 and 661,265, it is not a prime number.