Q: Is 422,565 a Prime Number?
A: No, 422,565 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 422565 can be evenly divided by 1 3 5 11 13 15 33 39 55 65 143 165 195 197 429 591 715 985 2,145 2,167 2,561 2,955 6,501 7,683 10,835 12,805 28,171 32,505 38,415 84,513 140,855 and 422,565, with no remainder.
Since 422,565 cannot be divided by just 1 and 422,565, it is not a prime number.