Q: Is 676,340 a Prime Number?
A: No, 676,340 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 676340 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 4,831 9,662 19,324 24,155 33,817 48,310 67,634 96,620 135,268 169,085 338,170 and 676,340, with no remainder.
Since 676,340 cannot be divided by just 1 and 676,340, it is not a prime number.