Q: Is 42,564 a Prime Number?
A: No, 42,564 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 42564 can be evenly divided by 1 2 3 4 6 12 3,547 7,094 10,641 14,188 21,282 and 42,564, with no remainder.
Since 42,564 cannot be divided by just 1 and 42,564, it is not a prime number.