Q: Is 77,872 a Prime Number?
A: No, 77,872 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 77872 can be evenly divided by 1 2 4 8 16 31 62 124 157 248 314 496 628 1,256 2,512 4,867 9,734 19,468 38,936 and 77,872, with no remainder.
Since 77,872 cannot be divided by just 1 and 77,872, it is not a prime number.