Q: Is 8,672,420 a Prime Number?
A: No, 8,672,420 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 8672420 can be evenly divided by 1 2 4 5 10 20 199 398 796 995 1,990 2,179 3,980 4,358 8,716 10,895 21,790 43,580 433,621 867,242 1,734,484 2,168,105 4,336,210 and 8,672,420, with no remainder.
Since 8,672,420 cannot be divided by just 1 and 8,672,420, it is not a prime number.