Q: Is 421,696 a Prime Number?
A: No, 421,696 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 421696 can be evenly divided by 1 2 4 8 11 16 22 32 44 64 88 176 352 599 704 1,198 2,396 4,792 6,589 9,584 13,178 19,168 26,356 38,336 52,712 105,424 210,848 and 421,696, with no remainder.
Since 421,696 cannot be divided by just 1 and 421,696, it is not a prime number.