Q: Is 1,423,530 a Prime Number?
A: No, 1,423,530 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 1423530 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 45 90 15,817 31,634 47,451 79,085 94,902 142,353 158,170 237,255 284,706 474,510 711,765 and 1,423,530, with no remainder.
Since 1,423,530 cannot be divided by just 1 and 1,423,530, it is not a prime number.