Q: Is 6,420,424 a Prime Number?
A: No, 6,420,424 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 6420424 can be evenly divided by 1 2 4 8 17 34 68 136 289 578 1,156 2,312 2,777 5,554 11,108 22,216 47,209 94,418 188,836 377,672 802,553 1,605,106 3,210,212 and 6,420,424, with no remainder.
Since 6,420,424 cannot be divided by just 1 and 6,420,424, it is not a prime number.