Q: Is 1,423,518 a Prime Number?
A: No, 1,423,518 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 1423518 can be evenly divided by 1 2 3 6 19 38 57 114 12,487 24,974 37,461 74,922 237,253 474,506 711,759 and 1,423,518, with no remainder.
Since 1,423,518 cannot be divided by just 1 and 1,423,518, it is not a prime number.