Q: Is 1,423,436 a Prime Number?
A: No, 1,423,436 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 1423436 can be evenly divided by 1 2 4 7 14 28 29 58 116 203 406 812 1,753 3,506 7,012 12,271 24,542 49,084 50,837 101,674 203,348 355,859 711,718 and 1,423,436, with no remainder.
Since 1,423,436 cannot be divided by just 1 and 1,423,436, it is not a prime number.