Q: Is 2,121,364 a Prime Number?
A: No, 2,121,364 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 2121364 can be evenly divided by 1 2 4 7 14 28 239 317 478 634 956 1,268 1,673 2,219 3,346 4,438 6,692 8,876 75,763 151,526 303,052 530,341 1,060,682 and 2,121,364, with no remainder.
Since 2,121,364 cannot be divided by just 1 and 2,121,364, it is not a prime number.