Q: Is 2,137,563 a Prime Number?
A: No, 2,137,563 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 2137563 can be evenly divided by 1 3 9 17 27 51 153 459 4,657 13,971 41,913 79,169 125,739 237,507 712,521 and 2,137,563, with no remainder.
Since 2,137,563 cannot be divided by just 1 and 2,137,563, it is not a prime number.