Q: Is 2,643,624 a Prime Number?
A: No, 2,643,624 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 2643624 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 12,239 24,478 36,717 48,956 73,434 97,912 110,151 146,868 220,302 293,736 330,453 440,604 660,906 881,208 1,321,812 and 2,643,624, with no remainder.
Since 2,643,624 cannot be divided by just 1 and 2,643,624, it is not a prime number.