Q: Is 4,067,680 a Prime Number?
A: No, 4,067,680 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 4067680 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 25,423 50,846 101,692 127,115 203,384 254,230 406,768 508,460 813,536 1,016,920 2,033,840 and 4,067,680, with no remainder.
Since 4,067,680 cannot be divided by just 1 and 4,067,680, it is not a prime number.