Q: Is 677,416 a Prime Number?
A: No, 677,416 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 677416 can be evenly divided by 1 2 4 8 17 34 68 136 289 293 578 586 1,156 1,172 2,312 2,344 4,981 9,962 19,924 39,848 84,677 169,354 338,708 and 677,416, with no remainder.
Since 677,416 cannot be divided by just 1 and 677,416, it is not a prime number.