Q: Is 677,660 a Prime Number?
A: No, 677,660 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 677660 can be evenly divided by 1 2 4 5 10 20 31 62 124 155 310 620 1,093 2,186 4,372 5,465 10,930 21,860 33,883 67,766 135,532 169,415 338,830 and 677,660, with no remainder.
Since 677,660 cannot be divided by just 1 and 677,660, it is not a prime number.