Q: Is 676,580 a Prime Number?
A: No, 676,580 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 676580 can be evenly divided by 1 2 4 5 10 20 33,829 67,658 135,316 169,145 338,290 and 676,580, with no remainder.
Since 676,580 cannot be divided by just 1 and 676,580, it is not a prime number.