Q: Is 6,427,918 a Prime Number?
A: No, 6,427,918 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 6427918 can be evenly divided by 1 2 7 14 49 98 107 214 613 749 1,226 1,498 4,291 5,243 8,582 10,486 30,037 60,074 65,591 131,182 459,137 918,274 3,213,959 and 6,427,918, with no remainder.
Since 6,427,918 cannot be divided by just 1 and 6,427,918, it is not a prime number.