Q: Is 687,704 a Prime Number?
A: No, 687,704 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 687704 can be evenly divided by 1 2 4 8 31 47 59 62 94 118 124 188 236 248 376 472 1,457 1,829 2,773 2,914 3,658 5,546 5,828 7,316 11,092 11,656 14,632 22,184 85,963 171,926 343,852 and 687,704, with no remainder.
Since 687,704 cannot be divided by just 1 and 687,704, it is not a prime number.