Q: Is 423,564 a Prime Number?
A: No, 423,564 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 423564 can be evenly divided by 1 2 3 4 6 12 47 94 141 188 282 564 751 1,502 2,253 3,004 4,506 9,012 35,297 70,594 105,891 141,188 211,782 and 423,564, with no remainder.
Since 423,564 cannot be divided by just 1 and 423,564, it is not a prime number.