Q: Is 1,267,563 a Prime Number?
A: No, 1,267,563 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 1267563 can be evenly divided by 1 3 11 33 71 213 541 781 1,623 2,343 5,951 17,853 38,411 115,233 422,521 and 1,267,563, with no remainder.
Since 1,267,563 cannot be divided by just 1 and 1,267,563, it is not a prime number.