Q: Is 3,123,624 a Prime Number?
A: No, 3,123,624 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 3123624 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 18,593 37,186 55,779 74,372 111,558 130,151 148,744 223,116 260,302 390,453 446,232 520,604 780,906 1,041,208 1,561,812 and 3,123,624, with no remainder.
Since 3,123,624 cannot be divided by just 1 and 3,123,624, it is not a prime number.